1

Ticket to Read Photo Credits Photo Credits Level 1 Book 1 Passage 1: ©iStockphoto.com/Richard J. Gerstner; ©iStockphoto.com/Sashi Ono Passage 2: ©iStockphoto.com/Annette Vauteck; ©iStockphoto.com/Yvonne Chamberlain Passage 3: ©Blaise Hayward, Getty Images; ©iStockphoto.com/Greg Ferguson; ©Luís Louro/Shutterstock.com Passage 4: ©iStockphoto.com/Clay Blackburn; ©iStockphoto.com/Christine Balderas Passage 5: ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Justin Horrocks Passage 6: ©iStockphoto.com/Carmen Martínez Banús; ©iStockphoto.com/Viktor Kitaykin Passage 8: ©iStockphoto.com/Juri Semjonow; ©iStockphoto.com/Marcin Szwaczko; ©DEX IMAGE, Getty Images; ©iStockphoto.com/Christine Balderas Passage 9: ©iStockphoto.com/Renee Lee; ©iStockphoto.com/Sergey Mostovoy; ©iStockphoto.com/Galina Barskaya Passage 10: ©iStockphoto.com/Len Tillim; ©iStockphoto.com/James Goldsworthy; ©iStockphoto.com/Christian Carroll Book 2 Passage 1: ©iStockphoto.com/Dmitry Ersler; ©iStockphoto.com/Bonnie Jacobs Passage 2: ©iStockphoto.com/Ana Abejon; ©iStockphoto.com/Bonnie Jacobs Passage 3: ©iStockphoto.com/Robert Pernell; ©iStockphoto.com/Maria Bibikova; ©Ricky John Molloy, Getty Images Passage 5: ©iStockphoto.com/Ken Graff; ©iStockphoto.com/Stephen Walls; ©David Joel, Getty Images Passage 6: ©Matthieu Spohn, PhotoAlto Agency RF Collections, Getty Images; ©iStockphoto.com/Sergey Kashki; ©iStockphoto.com/Sue McDonald Passage 7: ©iStockphoto.com/Marcus Lindström; ©Dimitri Vervitsiotis, Getty Images; ©iStockphoto.com/Jason Lugo; ©iStockphoto.com/Stephane Daoust Passage 8: ©DCA Productions, Getty Images; ©Stephan Hoeck, STOCK4B RF, Getty Images; ©iStockphoto.com/George Clerk Passage 9: ©Image Source White, Getty Images; ©iStockphoto.com/Lori Sparkia Passage 10: ©iStockphoto.com/Pieter Bregman Book 3 Passage 1: ©Compassionate Eye Foundation, Getty Images; ©iStockphoto.com/Melissa Carroll Passage 2: ©Mark Joseph, Getty Images; ©Dimitri Vervitsiotis, Getty Images; ©iStockphoto.com/Jerry McElroy Passage 3: ©White Rock, DAJ, Getty Images; ©iStockphoto.com/Vasiliki Varvaki Passage 4: ©iStockphoto.com/Jim Jurica; ©Jose Luis Pelaez Inc., Blend Images, Getty Images Passage 5: ©David Toase, Getty Images; ©Digital Vision, Getty Images; ©Thomas Northcutt, Getty Images

2

Passage 6: ©iStockphoto.com/Roger McClean; ©iStockphoto.com/Don Bayley; ©iStockphoto.com/Natasha Vujkov Passage 7: ©Robert Cumming/Shutterstock.com; ©iStockphoto.com/Bonnie Jacobs Passage 8: ©Asia Images Group, Getty Images; ©DAJ, Getty Images Passage 9: ©Scott Hancock, Rubberball Productions, Getty Images; ©John Kelly, Getty Images Photo Credits Level 2 Book 1 Passage 1: ©Datacraft, imagenavi, Getty Images; ©Tom Brakefield, Getty Images; ©iStockphoto.com/Geoff Kuchera; ©iStockphoto.com/Jim Jurica Passage 2: ©Paul Edmondson, Getty Images; ©David Fischer, Getty Images; ©iStockphoto.com/Bojan Tezak Passage 3: ©iStockphoto.com/Hendrik De Bruyne; ©iStockphoto.com/Hal Bergman; ©iStockphoto.com/Jennifer Daley Passage 4: ©Digital Vision, Getty Images Passage 5: ©iStockphoto.com/Edyta Linek; ©Berit Myrekrok, Getty Images Passage 6: ©LWA, Stephen Welstead, Getty Images; ©imagewerks, Getty Images; ©iStockphoto.com/Leah-Anne Thompson Passage 7: ©SW Productions, Getty Images; ©Darrin Klimek, Getty Images; ©Rob Melnychuk, Getty Images Passage 8: ©Anne Ackermann, Getty Images; ©iStockphoto.com/Thomas Stange; ©iStockphoto.com/Olga Lyubkina Passage 9: ©iStockphoto.com/Rob Friedman; ©Mike Kemp, Rubberball Productions, Getty Images; ©Image Source Pink, Getty Images; ©iStockphoto.com/Mark Goddard Passage 10: ©iStockphoto.com/Chad Reischl; ©Nicki Nikoni, Getty Images; ©iStockphoto.com/Diane White Rosier; ©iStockphoto.com/Guillermo Perales Gonzalez Book 2 Passage 1: ©Steve Mason, Getty Images; ©iStockphoto.com/Giovanni Rinaldi; ©iStockphoto.com/Lauri Wiberg Passage 2: ©Sylvester Adams, Getty Images; ©Dorling Kindersley, Dorling Kindersley RF, Getty Images; ©George Doyle, Getty Images Passage 3: ©Xavier Bonghi, Getty Images; ©iStockphoto.com/Rob Friedman; ©Vincent Hazat, PhotoAlto Agency RF Collections, Getty Images Passage 4: ©Louis Fox, Getty Images; ©Rubberball, Rubberball Productions, Getty Images Passage 5: ©Westend61, Getty Images Passage 6: ©iStockphoto.com/Jeffrey Zavitski; ©PNC, Getty Images Passage 7: ©Image Source Pink, Getty Images; ©Digital Vision, Getty Images; ©Jack Hollingsworth, Getty Images Passage 8: ©Purestock, Getty Images; ©iStockphoto.com/Teresa Azevedo Passage 9: ©Doug Menuez, Getty Images; ©iStockphoto.com/Skip O’Donnell; ©iStockphoto.com/Rob Friedman Passage 10: ©iStockphoto.com/Don Bayley; ©iStockphoto.com/Terry J Alcorn

3

Book 3 Passage 1: ©Steve Mason, Getty Images; ©iStockphoto.com/Pathathai Chungyam Passage 2: ©iStockphoto.com/Brad Thompson; ©iStockphoto.com/Franc Podgoršek Passage 3: ©iStockphoto.com/Donald Gruener; ©Image Source Pink, Getty Images Passage 4: ©iStockphoto.com/Dragan Trifunovic; ©iStockphoto.com/Monika Adamczyk; ©iStockphoto.com/Gerville Hall Passage 5: ©iStockphoto.com/Samuli Siltanen; ©Mark Downey, Getty Images; ©Steve Mason, Getty Images Passage 6: ©iStockphoto.com/Jose Gil; ©iStockphoto.com/Chet Mitchell; ©iStockphoto.com/Jelani Memory Passage 7: ©iStockphoto.com/Yvonne Chamberlain Passage 8: ©iStockphoto.com/Michael Fuery; ©iStockphoto.com/Mary Gascho Passage 9: ©Silverstock, Getty Images; ©Jose Luis Pelaez Inc., Blend Images, Getty Images Passage 10: ©iStockphoto.com/Ashwin Kharidehal Abhirama Photo Credits Level 3 Book 1 Passage 1: ©Picturenet, Blend Images, Getty Images; ©Mike Kemp, Rubberball Productions, Getty Images Passage 2: ©iStockphoto.com/Jason Lugo; ©Image Source Pink, Getty Images Passage 3: ©Beard & Howell, Getty Images; ©iStockphoto.com/Stefan Klein Passage 4: ©iStockphoto.com/Cat London Passage 5: ©iStockphoto.com/Miha Urbanija; ©Bread and Butter, Getty Images; ©John Cumming, Getty Images Passage 6: ©Image Source Black, Getty Images; ©iStockphoto.com/Denise McQuillen Passage 7: ©iStockphoto.com/Steven Miric; ©iStockphoto.com/Simone van den Berg Passage 8: ©iStockphoto.com/Guillermo Lobo; ©David Laurens, Getty Images; ©Purestock, Getty Images; ©Mike Kemp, Rubberball Productions, Getty Images Passage 9: ©iStockphoto.com/Stephanie Phillips Passage 10: ©iStockphoto.com/Joey Nelson Book 2 Passage 1: ©iStockphoto.com/Krystyna Trojanowsk; ©Jose Luis Pelaez Inc., Blend Images, Getty Images Passage 2: ©American Images Inc., Getty Images; ©iStockphoto.com/Richard Scherzinger; ©iStockphoto.com/Bonnie Schupp Passage 3: ©Michael Blann, Getty Images; ©iStockphoto.com/Lewis Wright Passage 4: AP Images/Mark Baker; ©iStockphoto.com/Pathathai Chungyam; ©John Lund, ©Drew Kelly, Blend Images, Getty Images Passage 5: ©iStockphoto.com/Brian Butler; ©Adam Crowley, Getty Images, ©Ariel Skelley, Blend Images, Getty Images; ©Jose Luis Pelaez Inc., Blend Images, Getty Images Passage 6: ©Stella, fStop, Getty Images; ©Flying Colours Ltd, Getty Images; ©Image Source Pink, Image Source, Getty Images; ©iStockphoto.com/Anneke Schram

4

Passage 7: ©iStockphoto.com/Nancy Nehring; ©iStockphoto.com/Nancy Nehring; ©iStockphoto.com/Michael Sacco; ©iStockphoto.com/Michael Svoboda Passage 8: ©iStockphoto.com/Holly Sisson; ©Alan and Sandy Carey, Getty Images; ©iStockphoto.com/Marketa Ebert Passage 9: ©SW Productions, Getty Images; ©iStockphoto.com/Mikhail Bistrov Passage 10: ©Grant V. Faint, Getty Images; ©Jeremy Woodhouse, Getty Images; ©Bread and Butter, Getty Images; ©Gallo Images–Gerald Hinde, Getty Images Book 3 Passage 1: ©Dorling Kindersley, Getty Images; ©iStockphoto.com/Yuriy Sukhovenko; ©iStockphoto.com/Jeryl Tan Passage 2: ©iStockphoto.com/Rob Friedman; ©iStockphoto.com/Nick Jones; ©iStockphoto.com/Rob Friedman Passage 3: ©iStockphoto.com/Nancy Louie; ©Vincent Hazat, PhotoAlto Agency RF Collections, Getty Images Passage 4: ©Nick White, Getty Images Passage 5: ©Ryan McVay, Getty Images; ©iStockphoto.com/Steven Allan; ©iStockphoto.com/Andrei Tchernov; ©iStockphoto.com/Sean Locke Passage 6: ©Nick Clements, Getty Images Passage 7: ©iStockphoto.com/Murat Baysan; ©iStockphoto.com/Henk Badenhorst; ©iStockphoto.com/Derris Lanier Passage 8: ©iStockphoto.com/Cliff Parnell Passage 9: ©iStockphoto.com/Holger Mette; ©Natphotos, Getty Images; ©iStockphoto.com/smiley joanne Passage 10: ©American Images Inc., Getty Images; ©Daniel Pangbourne, Getty Images Photo Credits Level 4 Book 1 Passage 1: ©CP Limited/Shutterstock.com; ©Tamara Lackey, fStop, Getty Images; ©iStockphoto.com/Harald Weiss Passage 2: ©Peter Cade, Getty Images; ©iStockphoto.com/Terry Bain Passage 3: ©iStockphoto.com/Catalin Plesa Passage 4: ©Gregor Schuster, Getty Images; ©Jose Luis Pelaez Inc./Blend Images, Getty Images; ©iStockphoto.com/Kevin Chan Passage 5: ©Don Farrall, Getty Images; ©LWA, Dann Tardif, Blend Images, Getty Images; ©iStockphoto.com/Allison Murray; ©iStockphoto.com/Ilya Bushuev; ©Hill Street Studios, Blend Images, Getty Images Passage 6: ©Vince Bucci, Stringer, Getty Images; ©iStockphoto.com/Kevin Russ; ©iStockphoto.com/Andrew Dean Passage 8: ©iStockphoto.com/James Boulette; ©Cohen, Ostrow, Getty Images; ©iStockphoto.com/Raoul Vernede Passage 9: ©American Images Inc., Getty Images; ©iStockphoto.com/Vasko Miokovic; ©iStockphoto.com/Nancy Louie; ©Adam Crowley, Getty Images Passage 10: ©iStockphoto.com/Diane Diederich; ©iStockphoto.com/Dena Steiner; ©Plush Studios, Blend Images, Getty Images; ©iStockphoto.com/Anneke Schram

5

Book 2 Passage 1: ©iStockphoto.com/Isabelle Mory; ©Purestock, Getty Images; ©Don Farrall, Getty Images Passage 2: ©iStockphoto.com/Tobias Lauchenauer; ©iStockphoto.com/Martin Carlsson Passage 3: ©iStockphoto.com/Olivier Blondeau; ©Image Source Pink, Getty Images; ©George Doyle, Getty Images Passage 4: ©John Foxx, Getty Images; ©John Cumming, Getty Images Passage 5: ©Ariel Skelley, Blend Images, Getty Images; ©iStockphoto.com/Rosemarie Gearhart; ©Kane Skennar, Getty Images; ©iStockphoto.com/John Coston Passage 6: ©Matthew Stockman, 2004 Getty Images; ©DKAR Images, Getty Images; ©John Foxx, Getty Images; ©Jerry Sharp/Shutterstock.com; ©Adam Jones, Getty Images Passage 7: ©ERproductions Ltd, Blend Images, Getty Images; ©iStockphoto.com/Mark Weiss; ©Russell Illig, Getty Images Passage 8: ©Ann Manner, Getty Images; ©iStockphoto.com/Paul Prescott Passage 9: ©iStockphoto.com/Muriel Lasure; ©iStockphoto.com/Vera Bogaerts; ©iStockphoto.com/David Marquez Passage 10: ©Image Source Pink, Getty Images; ©George Doyle, Getty Images Book 3 Passage 1: ©John Kelly, Getty Images; ©Flying Colours Ltd, Getty Images Passage 2: ©D. Falconer, PhotoLink, Getty Images; ©iStockphoto.com/Hedda Gjerpen; ©iStockphoto.com/Robert Gubbins Passage 3: ©Getty Images; ©Adek Berry, Stringer, AFP, Getty Images; ©iStockphoto.com/Egor Mopanko; ©iStockphoto.com/Valentin Mosichev Passage 4: ©Ross Anania, Getty Images Passage 5: ©David Stuart, Getty Images; ©iStockphoto.com/Lorraine Kourafas; ©iStockphoto.com/Greg Nicholas Passage 6: ©iStockphoto.com/Frank van den Bergh; ©iStockphoto.com/Gene Krebs Passage 7: ©iStockphoto.com/Oleg Prikhodko; ©Andersen Ross, Getty Images Passage 9: ©iStockphoto.com/Ana Abejon; ©Image Source Pink, Getty Images; ©David Buffington, Getty Images Passage 10: ©iStockphoto.com/Ana Abejon; ©Doug Menuez, Getty Images; ©iStockphoto.com/Misha Shiyanov Photo Credits Level 5 Book 1 Passage 1: ©Alan C. Heison/Shutterstock.com; ©iStockphoto.com/Brent Deuel Passage 2: ©iStockphoto.com/Sang Nguyen; ©iStockphoto.com/Ben Blankenburg Passage 3: ©iStockphoto.com/Peter Herbig Passage 6: ©iStockphoto.com/Grigory Kubatyan Passage 9: ©iStockphoto.com/Robert Terry Passage 10: ©Pat Powers and Cherryl Schafer, Getty Images; ©iStockphoto.com/Dale Taylor

6

Book 2 Passage 3: ©iStockphoto.com/Yvonne Chamberlain Passage 4: ©iStockphoto.com/Steve Pepple Passage 5: ©iStockphoto.com/Cliff Parnell; ©iStockphoto.com/Yvonne Chamberlain Passage 6: ©iStockphoto.com/Leah-Anne Thompson Passage 7: ©iStockphoto.com/Lauri Wiberg Passage 8: ©iStockphoto.com/Meredith Mullins Passage 9: ©iStockphoto.com/Luis Sierra Passage 10: ©iStockphoto.com/Nancy Louie; ©iStockphoto.com/Lise Gagne; ©iStockphoto.com/Cliff Parnell; ©iStockphoto.com/Nancy Louie Book 3 Passage 1: ©iStockphoto.com/Kitch Bain; ©iStockphoto.com/Simon Gurney; ©iStockphoto.com/Sharon Dominick; ©iStockphoto.com/Aleksandar Kolundzija Passage 2: ©iStockphoto.com/Nancy Louie Passage 3: ©iStockphoto.com/Galyna Andrushko; ©iStockphoto.com/Janis Tremper Passage 4: ©iStockphoto.com/Eileen Hart; ©iStockphoto.com/Jelani Memory; ©iStockphoto.com/Ana Abejon; ©iStockphoto.com/Shannon Long Passage 5: ©iStockphoto.com/Allen Johnson; ©iStockphoto.com/Karen Struthers; ©iStockphoto.com/Karyn Kudrna Passage 6: ©iStockphoto.com/Shawn Gearhart; ©iStockphoto.com/Nir Lasman Passage 7: ©iStockphoto.com/Andreas Geiser; ©iStockphoto.com/Beata Pastuszek Passage 8: ©iStockphoto.com/Jenny Horne Passage 9: ©iStockphoto.com/Evgeny Kuklev Passage 10: ©iStockphoto.com/Jorge Salcedo Photo Credits Level 6 Book 1 Passage 2: ©iStockphoto.com/Charles Silvey; ©iStockphoto.com/Mark Weiss; ©iStockphoto.com/Jason Merrell Passage 4: ©AFP, Getty Images; ©iStockphoto.com/Cliff Parnell; ©iStockphoto.com/Oleg Prikhodko Passage 5: AP Images/Adam Hunger; ©iStockphoto.com/Geoffrey Black; ©iStockphoto.com/Jayna Wallace Passage 6: ©Larry W. Smith, Getty Images Passage 7: ©iStockphoto.com/Jessica Bowman; ©iStockphoto.com/Jan Tyler; ©iStockphoto.com/Emil Schreiner; ©iStockphoto.com/Miroslav Ferkuniak Passage 8: ©iStockphoto.com/Marie Cheek; ©iStockphoto.com/Harris Shiffman Passage 9: ©iStockphoto.com/Andreas Herpens Passage 10: ©iStockphoto.com/Bonnie Jacobs; ©iStockphoto.com/Paul Johnson Book 2 Passage 6: ©iStockphoto.com/Thomas Perkins Passage 7: ©iStockphoto.com/Tomas Bercic; ©iStockphoto.com/Thomas Gordon; ©iStockphoto.com/Jakob Leitner; ©iStockphoto.com/Shaun Lowe

7

Passage 8: ©iStockphoto.com/Achim Prill; ©iStockphoto.com/Raoul Vernede; ©iStockphoto.com/Steve Krull Passage 9: ©iStockphoto.com/Dawn Hudson; ©iStockphoto.com/Roman Milert; ©iStockphoto.com/Slawomir Fajer; ©iStockphoto.com/Todd Smith Passage 10: ©iStockphoto.com/Andrei Tchernov; ©iStockphoto.com/Jason Lugo; ©iStockphoto.com/Maartje van Caspel; ©iStockphoto.com/Scott Leigh Book 3 Passage 1: ©iStockphoto.com/Jorge Delgado; ©iStockphoto.com/Leah-Anne Thompson; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Jacynth Roode Passage 2: ©iStockphoto.com/Sergey Lavrentev; ©iStockphoto.com/Tomaz Levstek; ©iStockphoto.com/Edyta Linek; ©iStockphoto.com/Eric Isselée Passage 3: ©iStockphoto.com/Gina Hanf; ©iStockphoto.com/Linda Bucklin; ©iStockphoto.com/Kevin Miller; ©iStockphoto.com/Claudio Arnese Passage 4: ©iStockphoto.com/Nicholas Rjabow; ©iStockphoto.com/Dane Wirtzfeld Passage 5: ©iStockphoto.com/Len Kaltman; ©iStockphoto.com/Susan Grundner Passage 6: ©iStockphoto.com/Andreas Reh; ©iStockphoto.com/Peter Dean; ©iStockphoto.com/Kelly Cline; ©iStockphoto.com/Ronnie Comeau Passage 7: ©iStockphoto.com/Dmitry Kutlayev; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Galina Barskaya Passage 8: ©iStockphoto.com/Jordan Lewy; ©Krisanne Johnson, Getty Images; ©iStockphoto.com/Verena Matthew; ©iStockphoto.com/Renars Jurkovskis; ©iStockphoto.com/Melissa Carroll Passage 9: ©iStockphoto.com/Sharon Dominick; ©iStockphoto.com/Eileen Hart; ©iStockphoto.com/Stig Andersen; ©iStockphoto.com/Richard Goerg Passage 10: ©iStockphoto.com/Phil Morley; ©iStockphoto.com/James Pauls; ©iStockphoto.com/Thomas Peter; ©iStockphoto.com/Elva Banda Photo Credits Level 7 Book 1 Passage 2: ©iStockphoto.com/Herbert Bias; ©Mirenska Olga/Shutterstock.com; ©iStockphoto.com/Bonnie Jacobs; ©iStockphoto.com/Amy Myers; ©iStockphoto.com/Sandra O’Claire Passage 3: ©iStockphoto.com/Igor Shootov; ©iStockphoto.com/Lev Olkha Passage 4: ©Getty Images; ©iStockphoto.com/Sherwin McGehee; ©iStockphoto.com/Ronald Bloom; ©iStockphoto.com/Lise Gagne Passage 5: ©iStockphoto.com/Steve Snowden; ©iStockphoto.com/Alexander Hafemann Passage 6: ©iStockphoto.com/Michal Besser; ©iStockphoto.com/Nancy Louie; ©iStockphoto.com/Nuno Silva Passage 7: ©iStockphoto.com/Ana Blazic; ©iStockphoto.com/Vasko Miokovic; ©iStockphoto.com/Arthur Kwiatkowsk; ©iStockphoto.com/Guillermo Perales Gonzalez Passage 8: ©iStockphoto.com/Teresa Azevedo; ©iStockphoto.com/Denis Pepin; ©iStockphoto.com/Greg Nicholas Passage 9: ©iStockphoto.com/Matt Matthews Passage 10: ©iStockphoto.com/Jan Rihak; ©iStockphoto.com/Steven Allan; ©iStockphoto.com/Brad Thompson

8

Book 2 Passage 1: ©USGS Photograph; ©iStockphoto.com/Robert Deal; ©iStockphoto.com/Elena Korenbaum; ©iStockphoto.com/Goce Risteski Passage 2: ©Smithsonian Magazine photo; ©iStockphoto.com/Cathy Keifer Passage 3: ©iStockphoto.com/Sergey Mostovoy; ©iStockphoto.com/Justin Horrocks; ©iStockphoto.com/Pekka Nikonen Passage 4: ©iStockphoto.com/Emilia Stasiak Passage 5: ©iStockphoto.com/Cliff Parnell Passage 7: ©iStockphoto.com/John Franco; ©iStockphoto.com/Peter Mlekuž Passage 8: ©iStockphoto.com/Pali Rao; ©iStockphoto.com/Bonnie Jacobs; ©iStockphoto.com/Glenda Powers; ©iStockphoto.com/Amanda Rohde; ©iStockphoto.com/Pamela Moore Passage 9: ©SW Productions, Getty Images; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Joseph Abbott; ©iStockphoto.com/Sean Locke Passage 10: ©iStockphoto.com/Minnie Menon; ©iStockphoto.com/Bonnie Jacobs Book 3 Passage 1: ©iStockphoto.com/Justin Horrocks Passage 2: ©iStockphoto.com/Chris Cousins Passage 3: ©iStockphoto.com/Miguel Angelo Silva; ©iStockphoto.com/Chris Schmidt Passage 5: ©iStockphoto.com/Timothy Large; ©iStockphoto.com/Phillip Jones Passage 7: ©iStockphoto.com/Jan Minea; ©iStockphoto.com/Chris Galbraith; ©iStockphoto.com/Jose Manuel Gelpi Diaz Passage 8: ©iStockphoto.com/Edyta Pawowska; ©iStockphoto.com/Thomas Perkins; ©iStockphoto.com/Maksim Shmeljov; ©iStockphoto.com/Micah Weber Passage 9: ©iStockphoto.com/Rudolf Kotulán; ©iStockphoto.com/Jorge Salcedo; ©iStockphoto.com/B. Morrison; ©iStockphoto.com/Yanik Chauvin Passage 10: ©iStockphoto.com/Iztok Noc; ©iStockphoto.com/Maartje van Caspel; ©iStockphoto.com/Ray Roper Photo Credits Level 8 Book 1 Passage 1: ©Tanya Constantine, Getty Images; ©iStockphoto.com/Sharon Day; ©Matt Apps/Shutterstock.com; ©iStockphoto.com/Izabela Habur; ©iStockphoto.com/Robert Churchill Passage 2: ©iStockphoto.com/Dan Brandenburg; ©iStockphoto.com/Lisa F. Young; ©iStockphoto.com/Adrian Matthiassen Passage 3: ©iStockphoto.com/Lisa F. Young; ©iStockphoto.com/Bruce MacQueen; ©iStockphoto.com/Skip O’Donnell Passage 4: ©iStockphoto.com/William Giakas; ©iStockphoto.com/Don Bayley; ©iStockphoto.com/Rob Friedman; ©iStockphoto.com/Tor Lindqvist Passage 5: ©iStockphoto.com/Dan Brandenburg; ©iStockphoto.com/Trista Weibell; ©iStockphoto.com/Erik Lam; ©iStockphoto.com/Javier Fontanella; ©iStockphoto.com/Jan Tyler

9

Passage 6: ©The Palma Collection, Getty Images; ©iStockphoto.com/Steve Diddle; ©iStockphoto.com/Vasiliki Varvaki Passage 7: ©Otto Greule Jr., Getty Images; ©iStockphoto.com/Bill Grove; ©iStockphoto.com/Iris Nieves; ©iStockphoto.com/Galina Barskaya Passage 8: ©iStockphoto.com/Michael Valdez; ©iStockphoto.com/Manuel Velasco Passage 9: ©iStockphoto.com/Jerry Downs; ©iStockphoto.com/Jason Lugo; ©iStockphoto.com/Michael Westhoff; ©iStockphoto.com/Mehmet Salih Passage 10: ©iStockphoto.com/Susann Evans; ©iStockphoto.com/Chris Schmidt; ©iStockphoto.com/Joe Gough; ©iStockphoto.com/Eric Isselée Book 2 Passage 1: ©iStockphoto.com/Dmitriy Rashap; ©iStockphoto.com/Leah-Anne Thompson; ©iStockphoto.com/Yvonne Chamberlain; ©iStockphoto.com/Christopher Pattberg Passage 2: ©iStockphoto.com/Simon Gurney; ©iStockphoto.com/Aldo Murillo Passage 3: ©iStockphoto.com/Jan Rysavy; ©iStockphoto.com/Otmar Smit; ©iStockphoto.com/Constance McGuire; ©iStockphoto.com/Angelina Scully Passage 4: ©Bryan Bedder, Getty Images; ©iStockphoto.com/Elena Korenbaum; ©iStockphoto.com/Elena Korenbaum Passage 5: ©Karl Ammann, Getty Images; ©iStockphoto.com/Ethan Myerson Passage 6: ©iStockphoto.com/Jodi Jacobson; ©iStockphoto.com/Dianne Maire; ©iStockphoto.com/Anneke Schram Passage 7: ©John Foxx, Getty Images; ©iStockphoto.com/Jean-Yves Benedeyt; ©iStockphoto.com/Jillian Pond; ©iStockphoto.com/Daniel Shaw Passage 8: ©iStockphoto.com/Ana Amorim; ©iStockphoto.com/Jaimie Duplass; ©iStockphoto.com/Alex Timaios; ©iStockphoto.com/Steve Krull Passage 9: ©iStockphoto.com/Dion van Huyssteen; ©iStockphoto.com/Galyna Andrushko Passage 10: ©iStockphoto.com/Candice Popik; ©iStockphoto.com/Ronnie Comeau; ©iStockphoto.com/Christopher Arndt Book 3 Passage 1: ©iStockphoto.com/Jan Paul Schrage; ©iStockphoto.com/Trista Weibell Passage 2: ©iStockphoto.com/Vasiliki Varvaki; ©iStockphoto.com/Clayton Hansen; ©iStockphoto.com/Sean Locke Passage 3: ©iStockphoto.com/Ronnie Comeau; ©MPI, Stringer, Getty Images; ©iStockphoto.com/Joris van Caspel Passage 4: ©Mike Clarke, AFP, Getty Images; ©iStockphoto.com/Yenwen Lu; ©iStockphoto.com/Len Kaltman; ©iStockphoto.com/Kenneth C. Zirkel Passage 5: ©iStockphoto.com/Janne Ahvo; ©iStockphoto.com/Jon Faulknor; ©iStockphoto.com/Jim Parkin; ©iStockphoto.com/Phil Berry Passage 6: ©iStockphoto.com/Heiko Grossmann; ©iStockphoto.com/Eric Foltz; ©iStockphoto.com/Angel Herrero de Frutos; ©iStockphoto.com/Laurin Rinder; ©iStockphoto.com/Wendy Shiao

10

Passage 7: ©iStockphoto.com/David Schrader; ©iStockphoto.com/Izabela Habur; ©iStockphoto.com/Tom McNemar; ©iStockphoto.com/David Rose; ©iStockphoto.com/Wojciech Krusinski Passage 8: ©iStockphoto.com/Tony Tremblay; ©iStockphoto.com/Warwick Lister-Kaye; ©iStockphoto.com/Daniel Gilbey Passage 9: ©iStockphoto.com/Neal McClimon; ©iStockphoto.com/Viorika Prikhodko; ©iStockphoto.com/Brendan Hunter Passage 10: ©iStockphoto.com/Florin Tirlea; ©iStockphoto.com/Susann Evans; ©iStockphoto.com/Bonnie Jacobs; ©iStockphoto.com/Volker Kreinacke Photo Credits Level 9 Book 1 Passage 2: ©iStockphoto.com/Howard Sandler; ©iStockphoto.com/David Philips; ©iStockphoto.com/Maurice van der Velden Passage 3: ©Yellow Dog Productions, Getty Images; ©iStockphoto.com/Andres Balcazar; ©iStockphoto.com/Jani Bryson; ©iStockphoto.com/Peter Finnie Passage 4: ©iStockphoto.com/Arthur Kwiatkowsk; ©iStockphoto.com/Steve Snyder Passage 5: ©iStockphoto.com/Carmen Martínez Banús Passage 6: ©iStockphoto.com/Eric Gevaert; ©iStockphoto.com/Andrea Gingerich Passage 7: ©iStockphoto.com/Christoph Ermel; ©iStockphoto.com/Zbigniew Majerczyk Passage 8: ©InterNetwork Media, Getty Images; ©iStockphoto.com/James Steidl; ©iStockphoto.com/Eric Foltz Passage 9: ©iStockphoto.com/Warwick Lister-Kaye Passage 10: ©iStockphoto.com/Andrzej Burak; ©iStockphoto.com/Evgeny Kuklev; ©iStockphoto.com/Paul LeFevre Book 2 Passage 1: ©Bettmann/CORBIS; ©iStockphoto.com/Edyta Linek; ©iStockphoto.com/Alexander Hafemann; ©iStockphoto.com/Tomas Bercic; ©iStockphoto.com/Jerry Moorman Passage 2: ©iStockphoto.com/Michael Puerzer; ©iStockphoto.com/Sean Locke Passage 3: ©FPG Intl, Getty Images; ©iStockphoto.com/Maartje van Caspel; ©iStockphoto.com/Nicholas Homrich; ©iStockphoto.com/Matjaz Boncina; ©iStockphoto.com/Walley Stemberger; ©iStockphoto.com/Dustin Steller Passage 4: ©iStockphoto.com/Jennifer Oehler; ©iStockphoto.com/Ethan Myerson; ©iStockphoto.com/Kevin Tavares; ©iStockphoto.com/Matt Craven Passage 5: ©iStockphoto.com/Slobo Mitic; ©iStockphoto.com/Eva Serrabassa; ©iStockphoto.com/Jody Menard; ©iStockphoto.com/Julián Rovagnati Passage 6: ©iStockphoto.com/Jon Schulte; ©iStockphoto.com/Deanna Larson; ©iStockphoto.com/Sandra Henderson; ©iStockphoto.com/Jim Jurica Passage 7: ©iStockphoto.com/Robert Weber; ©iStockphoto.com/Craig Wactor; ©iStockphoto.com/Michael Valdez Passage 8: ©iStockphoto.com/Clint Spencer; ©iStockphoto.com/Brian Nolan; ©iStockphoto.com/Joy Fera; ©iStockphoto.com/Jim Jurica; ©iStockphoto.com/Scott Leman; ©iStockphoto.com/Doug Sims

11

Passage 9: ©iStockphoto.com/Klaas Lingbek-van Kranen; ©iStockphoto.com/Jan Will; ©iStockphoto.com/Blake Corbitt; ©iStockphoto.com/Michael Sacco; ©iStockphoto.com/Peter Cheyne; ©iStockphoto.com/Mark Hooghwerff; ©iStockphoto.com/Nicholas Monu Passage 10: ©iStockphoto.com/Rocky Reston; ©iStockphoto.com/Matt Olsen; ©iStockphoto.com/Eric Isselée; ©iStockphoto.com/Nicholas Monu; ©iStockphoto.com/Jaimie D. Travis Book 3 Passage 1: ©iStockphoto.com/Frank Leung; ©iStockphoto.com/Dave Logan; ©iStockphoto.com/Sue McDonald; ©iStockphoto.com/Michael Braun; ©iStockphoto.com/Peter Mlekuž Passage 2: ©iStockphoto.com/Julie Merchant; ©Ryan McVay, Getty Images; ©iStockphoto.com/Jane Norton; ©iStockphoto.com/Dan Shust Passage 3: ©iStockphoto.com/Kelly Anbach; ©iStockphoto.com/Ariusz Nawrocki; ©Don Farrall, Getty Images; ©iStockphoto.com/Anna Sirotina; ©iStockphoto.com/Amanda Rohde Passage 4: ©iStockphoto.com/Mike Norton; ©iStockphoto.com/Joshua Blake; ©iStockphoto.com/Stefan Klein; ©iStockphoto.com/Ben Blankenburg Passage 5: ©iStockphoto.com/Byron Moore; ©iStockphoto.com/Jos Mata; ©L T O’Reilly/Shutterstock.com; ©iStockphoto.com/Iztok Noc; ©iStockphoto.com/Monique Rodriguez Passage 6: Photo courtesy of Select Exotics; ©iStockphoto.com/Roberto Adrian; ©iStockphoto.com/Arkadiusz Stachowski; ©iStockphoto.com/Laurence Gough; ©iStockphoto.com/Jacqueline Hunkele Passage 7: ©Image Source Pink, Getty Images; ©iStockphoto.com/Craig Veltri; ©iStockphoto.com/Tessa van Riemsdijk; ©iStockphoto.com/Rebecca Lowe Passage 8: ©iStockphoto.com/Joseph Szala; ©iStockphoto.com/Daniel MacDonald; ©iStockphoto.com/Matthew Cole; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Jaimie Duplass; ©iStockphoto.com/Peter Finnie Passage 9: ©iStockphoto.com/Diane Diederich; ©iStockphoto.com/Steven Gibson; ©iStockphoto.com/Rachael Arnott; ©iStockphoto.com/Robert Trawick; ©iStockphoto.com/Eric van den Elsen Passage 10: ©iStockphoto.com/Dmitry Zaltsman; ©iStockphoto.com/Rob Friedman; ©iStockphoto.com/Denise Kappa; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Joseph C. Justice; ©iStockphoto.com/Alistair Cotton Book 4 Passage 1: ©iStockphoto.com/Rob Fox; ©iStockphoto.com/Vasiliki Varvaki; ©iStockphoto.com/Amanda Rohde Passage 2: ©McClatchy-Tribune; 2007; ©Christopher Furlong, Getty Images; ©iStockphoto.com/Edyta Linek; ©iStockphoto.com/Kaycee Craig; ©iStockphoto.com/Yohan Creemers Passage 3: ©iStockphoto.com/Marco van Belleghem; ©iStockphoto.com/Lise Gagne; ©iStockphoto.com/Franky De Meyer; ©iStockphoto.com/Jonathan Larsen; ©iStockphoto.com/Graham Nunn

12

Passage 4: ©Aurora, Getty Images; ©iStockphoto.com/Jacom Stephens; ©iStockphoto.com/Scott Feuer; ©iStockphoto.com/Rose Marie Gearhart; ©iStockphoto.com/Carmen Martinez Banús; ©iStockphoto.com/Olga Olejnikova Passage 5: ©iStockphoto.com/Matt Feyerabend; ©iStockphoto.com/Matt Feyerabend; ©iStockphoto.com/Jim Parkin; ©iStockphoto.com/Jose Antonio Santiso; ©iStockphoto.com/Derek Dammann Passage 6: ©iStockphoto.com/Jim Jurica; ©iStockphoto.com/Gabriela Trojanowska; ©iStockphoto.com/Andrzej Burak; ©iStockphoto.com/Christian Wheatley; ©iStockphoto.com/Oleg Kozlov; ©iStockphoto.com/Wendy Shiao; ©iStockphoto.com/Sean Locke Passage 7: ©iStockphoto.com/Peter Chaussee; ©iStockphoto.com/Daniel Brunner; ©iStockphoto.com/Thomas Perkins; ©iStockphoto.com/Melissa Altar; ©iStockphoto.com/Justin Horrocks Passage 8: ©iStockphoto.com/Michael Burnham; ©iStockphoto.com/Dale Porter; ©iStockphoto.com/Jeremiah Garcia; ©iStockphoto.com/Ben Blankenburg; ©iStockphoto.com/Ronald Bloom; ©iStockphoto.com/Udo Weber Passage 9: ©Getty Images; ©iStockphoto.com/Vladimir Mucibabic; ©iStockphoto.com/Andrea Gingerich; ©iStockphoto.com/Andrea Gingerich; ©Richard Lewisohn, Getty Images; ©iStockphoto.com/Ramona Heim; ©iStockphoto.com/Christopher Pattberg Passage 10: ©iStockphoto.com/Edyta Linek; ©iStockphoto.com/Alexey Stiop; ©iStockphoto.com/Petro Feketa; ©iStockphoto.com/Natalie Jose; ©iStockphoto.com/Norma Cornes Photo Credits Level 10 Book 1 Passage 1: ©iStockphoto.com/Rick Rhay; ©iStockphoto.com/Steven Tulissi; ©iStockphoto.com/Diane Diederich Passage 2: ©iStockphoto.com/Rusty Dodson; ©iStockphoto.com/Tim Pohl; ©iStockphoto.com/Eileen Hart Passage 3: ©iStockphoto.com/Paolo Florendo; ©iStockphoto.com/Gino Santa Maria; ©iStockphoto.com/Jaimie Duplass Passage 4: ©Darlyne A. Murawski, National Geographic, Getty Images; ©iStockphoto.com/Teresa Levite; ©Tony Anderson, Getty Images Passage 5: AP Images/Roy Dabner; ©Grant V. Faint, Getty Images; ©iStockphoto.com/Yvonne Chamberlain Passage 6: ©Kai Honkanen, PhotoAlto Agency RF Collections, Getty Images; ©iStockphoto.com/Trevor Bauer; ©SW Productions, Getty Images; ©iStockphoto.com/Marek Cech Passage 7: ©Tom Brakefield, Getty Images; ©iStockphoto.com/Julie de Leseleuc; ©Paul Souders, Getty Images; ©iStockphoto.com/Frank Leung; ©iStockphoto.com/Alberto Pomares Passage 8: AP Images/Richard Drew; ©David Buffington, Blend Images, Getty Images; ©Claudia Rehm, ©Westend61, Getty Images; ©iStockphoto.com/Eileen Hart; ©Hill Street Studios, Blend Images, Getty Images

13

Passage 9: AP Images/Charles Tasnadi; AP Images/Maya Alleruzzo; ©Leland Bobbe, Getty Images Passage 10: ©iStockphoto.com/Steve Geer; ©StockTrek, Getty Images; ©iStockphoto.com/Johann Helgason; ©George Doyle, Getty Images; AP Images/Andy Newman Book 2 Passage 1: ©Monty Rakusen, Getty Images; ©Rayman, Getty Images; ©Ciaran Griffin, Getty Images; ©Caroline Woodham, Getty Images Passage 2: ©James Darell, Getty Images; ©Gallo Images, Getty Images; ©iStockphoto.com/Sergey Kashkin; ©Andersen Ross, Getty Images; ©Bill Truslow, Getty Images Passage 3: ©iStockphoto.com/Brett Atkins; ©iStockphoto.com/David Pruter; ©iStockphoto.com/Frank Visler; ©Jack Hollingsworth, Getty Images; ©InterNetwork Media, Getty Images Passage 4: AP Images/Bernd Kammerer; ©iStockphoto.com/Frances Twitty; ©iStockphoto.com/Martin Strmko; ©Mike Kemp, Rubberball Productions, Getty Images Passage 5: AP Images/Paul Hawthorne; ©iStockphoto.com/Frank Leung; ©Thomas Barwick, Getty Images Passage 6: AP Images/Beatrix Stampfli; ©iStockphoto.com/Jamie Wilson; ©GLG3, Getty Images; ©iStockphoto.com/Mike Bentley Passage 7: AP Images/Shoun A. Hill; ©Chris Amaral, Getty Images; ©iStockphoto.com/Nina Shannon; ©Andreas Schlegel, fStop, Getty Images; ©iStockphoto.com/Charles Silvey; ©Alistair Berg, Getty Images Passage 8: ©John Foxx, Getty Images; ©iStockphoto.com/Kirill Zdorov; ©DCA Productions, Getty Images; AP Images/Manu Fernandez; ©iStockphoto.com/Ann Marie Kurtz Passage 9: AP Images; ©Tanya Constantine, Getty Images; ©Paul Tearle, Getty Images; ©David De Lossy, Getty Images; ©John Molloy, Getty Images Passage 10: AP Images/Nick Ut; ©Barry Austin Photography, Getty Images; ©Gabriela Medina, Blend Images, Getty Images; ©Phil Banko, Getty Images; ©Philip Nealey, Getty Images Book 3 Passage 1: ©FPG, Getty Images; ©AFP, Getty Images; ©iStockphoto.com/Darrell Young; ©iStockphoto.com/Suzanne Tucker Passage 2: ©Kevin Winter, Getty Images; ©Dan Dalton, Getty Images; ©Mark Mainz, Getty Images Passage 3: ©Paul Chaisson-Pool, Getty Images; ©Peter Mason, Getty Images; ©iStockphoto.com/Scott Leigh; ©iStockphoto.com/John Sigler; ©iStockphoto.com/Ron Bailey Passage 4: ©AFP, Getty Images; ©Darryl James, Stringer, Getty Images; ©iStockphoto.com/Rob Friedman; ©iStockphoto.com/Thomas Tuchan Passage 5: ©iStockphoto.com/Jason Kasumovic; ©iStockphoto.com/Bruce Riccitelli; ©AFP, Getty Images; ©iStockphoto.com/Lisa Kyle Young

14

Passage 6: ©Peter Essick, Aurora, Getty Images; ©Westend61, Getty Images; ©iStockphoto.com/Michelle Malven; ©iStockphoto.com/Stephane Daoust Passage 7: ©Stringer, Getty Images; ©Frank Gaglione, Getty Images; ©Tanya Constantine, Blend Images, Getty Images; ©Paul Burns, Blend Images, Getty Images Passage 8: ©iStockphoto.com/Thomas Perkins; Kristian Sekulic/Shutterstock.com; ©Image Source Pink, Getty Images Passage 9: ©Grant Faint, Getty Images; ©Realistic Reflections, Getty Images; ©Image Source Pink, Getty Images Passage 10: ©iStockphoto.com/George Elgin Book 4 Passage 1: ©Keren Su, Getty Images; ©iStockphoto.com/Dena Steiner; ©Kim Steele, Getty Images; ©iStockphoto.com/Greg Solon; ©iStockphoto.com/Anna Pustovaya; ©Rob Van Petten, Getty Images Passage 2: ©iStockphoto.com/josef volavka; ©John Molloy, Getty Images Passage 3: ©Marco Garcia, Stringer, Getty Images; ©iStockphoto.com/Ron Hohenhaus Passage 4: ©iStockphoto.com/Alexander Hafemann Passage 5: ©iStockphoto.com/Michal Szota; ©Image Source Pink, Getty Images; ©Luke MacGregor, AFP, Getty Images; ©David Buffington, Blend Images, Getty Images; ©iStockphoto.com/Vasiliki Varvaki Passage 6: ©Patrick Riviere, Getty Images; ©Kevin Winter, Getty Images; ©Mel Yates, Getty Images; ©Ingram Publishing, Getty Images; ©Chris Amaral, Getty Images Passage 7: ©Chip Somodevilla, Getty Images; ©iStockphoto.com/Renee Lee; ©David De Lossy, Getty Images; ©George Doyle, Getty Images; ©John Molloy, Getty Images Passage 8: ©iStockphoto.com/Kevin Russ; ©ZenShui, ©Sigrid Olsson, Getty Images; ©Doug Menuez, Getty Images; ©iStockphoto.com/Lisa F. Young; ©iStockphoto.com/Greg Nicholas Passage 9: ©Mark Wilson, Getty Images; ©Siri Stafford, Getty Images Passage 10: ©FPG, Getty Images; ©iStockphoto.com/Neil Bromfield; ©Claudia Rehm, ©Westend61, Getty Images; ©Diane Macdonald, Getty Images; ©iStockphoto.com/Christopher Pattberg Photo Credits Level 11 Book 1 Passage 2: ©iStockphoto.com/Franky De Meyer; ©iStockphoto.com/Thomas Mounsey; ©iStockphoto.com/Stefan Klein Passage 3: ©iStockphoto.com/Armando Tura; ©iStockphoto.com/Scott Hailstone; ©iStockphoto.com/Ashok Rodrigues; ©iStockphoto.com/Karim Hesham Passage 4: ©iStockphoto.com/Jim Parkin; ©iStockphoto.com/Eliza Snow Passage 5: ©iStockphoto.com/John Pitcher; ©iStockphoto.com/Andrey Stratilatov; ©iStockphoto.com/Chris Burt; ©iStockphoto.com/Robert Churchill; ©iStockphoto.com/Sharon Dominick; ©iStockphoto.com/Scott Leman Passage 6: ©iStockphoto.com/Adam Nollmeyer; ©iStockphoto.com/Len Kaltman; ©iStockphoto.com/Wolfgang Amri; ©iStockphoto.com/Andreas Pechan; ©iStockphoto.com/Vasiliki Varvaki Passage 7: ©iStockphoto.com/Kelly Cline; ©iStockphoto.com/Rob Friedman

15

Passage 8: ©iStockphoto.com/Cheryl Graham; ©iStockphoto.com/Eliza Snow; ©iStockphoto.com/Peter Finnie; ©iStockphoto.com/Victoria Short; ©iStockphoto.com/René Baumgartner Passage 9: ©iStockphoto.com/John Woodworth; ©iStockphoto.com/Andres Balcazar Passage 10: ©iStockphoto.com/Alan Tobey; ©iStockphoto.com/Carri Keill; ©iStockphoto.com/Lise Gagne; ©iStockphoto.com/Sami Suni Book 2 Passage 1: ©Vanderlei Almeida, Getty Images; ©Chris McGrath, Getty Images; ©iStockphoto.com/Eileen Hart; ©iStockphoto.com/Robert Cocquyt Passage 3: ©iStockphoto.com/Kevin Russ Passage 4: ©iStockphoto.com/Kelly Cline; ©Noel Hendrickson, Getty Images; ©iStockphoto.com/Rob Sylvan Passage 5: AP Images; AP Images/Mark Humphrey; ©iStockphoto.com/Chad Purser; ©iStockphoto.com/Mike Bentley; ©iStockphoto.com/Pei Lin Shang Passage 6: ©Christopher Furlong, Getty Images; AP Images/Charles Krupa; ©iStockphoto.com/Peter Nguyen; ©Red Chopsticks, Getty Images; ©George Doyle, Getty Images; ©iStockphoto.com/Brett Lamb Passage 7: ©Chris Cheadle, Getty Images; ©iStockphoto.com/Fiona Lim; ©iStockphoto.com/Thye Aun Ngo; AP Images/Akili-Casundria Ramsess; ©iStockphoto.com/Valerie Crafter; ©iStockphoto.com/Andrew Skinner Passage 8: ©Evan Agostini, Getty Images; ©Peter Kramer, Getty Images; AP Images/Alan Diaz; ©iStockphoto.com/ Damir Spanic Passage 9: ©iStockphoto.com/Wayne Johnson; ©iStockphoto.com/John Stublar Passage 10: ©Erik S. Lesser, Getty Images; ©iStockphoto.com/Sean Locke; AP Images/The Conway Daily Sun; Jamie Gemmiti; ©iStockphoto.com/Jerry Moorman; AP Images/Mari Darr-Welch; AP Images/Kathy Willens Book 3 Passage 1: ©NASA; ©iStockphoto.com/Patrick Robbins; ©iStockphoto.com/Andrea Gingerich; ©NASA Passage 2: Photo by Kenneth Catania; ©iStockphoto.com/Donna Coleman; ©iStockphoto.com/Cyrille Lips; Photo by Kenneth Catania; ©iStockphoto.com/Paige Falk Passage 3: ©The Lego Group; ©iStockphoto.com/Renata Osinska; ©The LEGO Group; ©iStockphoto.com/Roman Krochuk; ©The LEGO Group; ©Fox Photos, Getty Images Passage 4: ©iStockphoto.com/Leigh Schindler; ©iStockphoto.com/Jeffrey Zavitski; ©iStockphoto.com/David Lewis Passage 5: ©Phillip Colla; ©iStockphoto.com/Brian Powell; ©iStockphoto.com/Klaas Lingbeek-van Kranen; ©iStockphoto.com/Martin Strmko; ©iStockphoto.com/Carol Gering Passage 6: ©iStockphoto.com/Anneclaire Le Royer; ©Bettmann/CORBIS; ©Dan Atkin/Alamy; ©picturegarden, Getty Images; ©VisionsofAmerica, ©Joe Sohm, Getty Images

16

Passage 7: Courtesy National Archives; Courtesy National Archives; Courtesy National Archives; Courtesy National Archives; ©iStockphoto.com/Steve Dibblee; Courtesy National Archives Passage 8: ©Dave Benett, Getty Images; ©iStockphoto.com/Jorge Salcedo; ©Scott Peterson, Getty Images; ©DreamPictures, Getty Images; ©Doug Menuez, Getty Images; ©AFP, Getty Images Passage 9: ©Clive Brunskill, Getty Images; ©Clive Brunskill, Getty Images; ©iStockphoto.com/Steve Vanhorn; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Jan Tyler; ©iStockphoto.com/Dan Brandenburg; ©iStockphoto.com/Rob Friedman Passage 10: ©iStockphoto.com/Philip Dyer; ©iStockphoto.com/Sean Locke Book 4 Passage 1: AP Images/Sakuma; ©iStockphoto.com/Bonnie Jacobs; AP Images/Barry Sweet; ©iStockphoto.com/Glen Frank; ©Michael Guo/Shutterstock.com Passage 2: ©iStockphoto.com/Paul Erickson; ©iStockphoto.com/Joyce Johnsen; ©iStockphoto.com/James Thew Passage 3: ©David Maxwell, Getty Images; ©Doug Meneuz, Getty Images; ©iStockphoto.com/Charity Myers; ©Tim Hall, Getty Images Passage 4: ©iStockphoto.com/V; ©iStockphoto.com/Geoff Tipton; ©iStockphoto.com/Sean Locke Passage 5: ©Robbie Shone, Getty Images; ©iStockphoto.com/Eric Foltz; ©Pyewackett | Dreamstime.com; ©Barry Salmons/Shutterstock.com Passage 6: ©iStockphoto.com/Robert Churchill; ©iStockphoto.com/John Miller; ©iStockphoto.com/Don Bayley Passage 7: ©Kevin Phillips, Getty Images; ©iStockphoto.com/Andre Klassen Passage 8: ©Sylvester Adams, Getty Images; ©iStockphoto.com/Andre Klassen; ©iStockphoto.com/Emmanuelle Bonzami; ©iStockphoto.com/Marco van Belleghem Passage 9: ©jaggat/Shutterstock.com; ©iStockphoto.com/Sean Kicje Passage 10: ©Justin Sullivan, Getty Images; AP Images/Morry Gash; ©Donovan Reese, Getty Images; ©Ryan McVay, Getty Images; ©iStockphoto.com/Andrea Gingerich Photo Credits Level 12 Book 1 Passage 1: ©iStockphoto.com/Aldo Murillo; ©iStockphoto.com/Laurence Gough; ©iStockphoto.com/Rob Friedman; ©iStockphoto.com/Amy Myers; ©iStockphoto.com/Ronnie Comeau Passage 2: AP Images/Brian Kersey; ©iStockphoto.com/Sean Locke Passage 3: AP Images/Alexandra Boulat/VII; ©iStockphoto.com/Korhan Hasim Isik; ©iStockphoto.com/Jaimie D. Travis Passage 4: AP Images/Santiago Lyon; ©iStockphoto.com/Oleksandr Gumerov Passage 5: ©Barry Salmons/Shutterstock.com; ©iStockphoto.com/Don Bayley; ©iStockphoto.com/Roman Milert; ©iStockphoto.com/Paolo Maffi Passage 6: ©iStockphoto.com/Jeff Gynane; ©iStockphoto.com/Sheryl Griffin; AP Images/Al Golub; ©iStockphoto.com/Jason Lugo Passage 7: ©iStockphoto.com/Maria Bibikova; ©iStockphoto.com/Rafal Fabrykiewicz

17

Passage 8: AP Images; ©iStockphoto.com/Courtney Navey; ©iStockphoto.com/David Meharey; AP Images/State of Missouri Passage 9: ©iStockphoto.com/Alessandro Contadini; ©iStockphoto.com/Brandon Laufenberg; ©iStockphoto.com/Craig DeBourbon Passage 10: AP Images/Richard Drew; AP Images/Chuck Burton Book 2 Passage 1: ©Heinrich van den Berg, Gallo Images, Getty Images; ©iStockphoto.com/Lisa Kyle Young; AP Images/Pat Vasquez-Cunningham; ©iStockphoto.com/Kenneth C. Zirkel; ©iStockphoto.com/Marissa Childs; AP Images Passage 2: AP Images/NASA-ESA; ©iStockphoto.com/Anneke Schram; ©iStockphoto.com/Maartje van Caspel; ©iStockphoto.com/Shaun Lowe Passage 3: ©iStockphoto.com/Kris Hanke; ©iStockphoto.com/Julie Masson Deshaies; ©iStockphoto.com/Matthew Ragen; ©iStockphoto.com/Sean Locke; AP Images Passage 4: ©iStockphoto.com/John Miller; ©iStockphoto.com/Ken Graff; AP Images/J.D. Pooley; AP Photo/ Mikhail Metzel Passage 5: AP Images; ©iStockphoto.com/Gerville Hall; ©iStockphoto.com/Kriss Russell; ©iStockphoto.com/Don Bayley; ©iStockphoto.com/Carmen Martínez Banús Passage 6: ©iStockphoto.com/Valerie Loiseleux; AP Images/Peter J. Thompson; Athletics Magazine Passage 7: ©iStockphoto.com/Adam Booth; ©iStockphoto.com/Jeff deVries; AP Images/CP; Ryan Remiorz; AP Images/Chitose Suzuki; ©iStockphoto.com/Sharon Dominick Passage 8: AP Images/Ron Heflin; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Beth Skwarecki; ©iStockphoto.com/David H. Lewis; ©iStockphoto.com/Oscar Williams Passage 9: ©iStockphoto.com/Dragan Trifunovic; ©iStockphoto.com/Justin Horrocks; ©iStockphoto.com/Nancy Louie Passage 10: AP Images/Ross D. Franklin; ©iStockphoto.com/David Evans; ©iStockphoto.com/Scott Leigh Book 3 Passage 1: AP Images; ©iStockphoto.com/Ora Turunen Passage 2: AP Images/National Park Service; Gary Berdeaux; ©iStockphoto.com/Joris van Caspel; AP Images/Frank Boxler; AP Images/John Raoux Passage 3: AP Images/Norfolk Daily News; Dennis Meyer; ©iStockphoto.com/Brian Chase; AP Images/Jeffrey A. Camarati; ©iStockphoto.com/Liza McCorkle Passage 4: AP Images/Alastair Grant; AP Images/James A. Finley; AP Images/Ruth Fremson Passage 5: ©George Doyle, Getty Images; AP Images/Marco Garcia; ©iStockphoto.com/Martin Mcelligott; ©iStockphoto.com/Maria Bibikova; ©iStockphoto.com/Graham Heywood Passage 6: ©Stock Montage, Getty Images; ©iStockphoto.com/James Boulette; ©iStockphoto.com/Amanda Rohde; AP Images/Louis Lanzano

18

Passage 7: ©iStockphoto.com/Alex Slobodkin; AP Images/Al Behrman; ©iStockphoto.com/Dmitriy Shironosov; ©iStockphoto.com/Marc Lantrok; ©iStockphoto.com/Peter Albrektsen; ©Tom Shaw, 2004 Getty Images Passage 8: AP Images/Ed Bailey; AP Images/Ho; ©iStockphoto.com/Ronald Bloom; ©iStockphoto.com/Stephanie Wagner; ©iStockphoto.com/Pathathai Chungyam Passage 9: AP Images/Julie Jacobson; ©Pete Turner, Getty Images; AP Images/Rick Rycroft Passage 10: ©iStockphoto.com/Tony Colter; ©Andrew H. Walker, Stringer, Getty Images; AP Images/Pablo Martinez Monsivais; ©iStockphoto.com/Sharon Dominick Book 4 Passage 1: AP Images; AP Images/Ron Thomas; ©iStockphoto.com/Trista Weibel; ©iStockphoto.com/Ackie DesJarlais Passage 2: ©iStockphoto.com/Jill Lang; ©iStockphoto.com/Suzann Julien; ©iStockphoto.com/Zachary Williams; ©iStockphoto.com/Daniel Rodriguez; ©iStockphoto.com/Vladimirs Prusakovs Passage 3: ©iStockphoto.com/Władysław Trojanowski; ©iStockphoto.com/Lisa Thornberg Passage 4: Denver Public Library; Western History Collection; Denver Public Library; Western History Collection; AP Images/Keith Srakocic; AP Images/NASA; Denver Public Library; Western History Collection; ©iStockphoto.com/Achim Prill Passage 5: ©2005 Getty Images; ©iStockphoto.com/David Crockett; AP Images/Manish Swarup; ©iStockphoto.com/Keith Webber Jr.; ©David De Lossy, Getty Images; AP Images/Tannen Maury Passage 6: ©Jeff Reinking, NBAE, Getty Images; ©John Foxx, Getty Images; ©Doug Menuez, Getty Images; AP Images/Phil Sandlin; ©Thomas Northcut, Getty Images Passage 7: ©Ebby May, Getty Images; ©Al Bello, Getty Images; ©iStockphoto.com/Alina Solovyova-Vincent; AP Images/John Smock; ©STR, Stringer, Getty Images Passage 8: ©iStockphoto.com/Ethan Myerson; ©iStockphoto.com/Shawn Gearhart; ©iStockphoto.com/Agmar Heymans Passage 9: AP Images/Alon Reininger; ©Rana Faure, Getty Images; ©iStockphoto.com/Kathleen & Scott Snowden; ©iStockphoto.com/Jane Brennecker; ©iStockphoto.com/Manuel Salazar Peris; ©iStockphoto.com/Oktay Ortakcioglu Passage 10: Courtesy of Women’s eNews; ©Khaled Desouki, Stringer, AFP, Getty Images; ©Alexander Joe, AFP, Getty Images; ©iStockphoto.com/Melissa Carroll; ©Matthew Stockman, Getty Images; ©ERproductions Ltd, Blend Images, Getty Images Photo Credits Level 13 Book 1 Passage 1: ©Katrina Brown. Image from BigStockPhoto.com; ©Michael Willis. Image from BigStockPhoto.com; ©Ben Twist. Image from BigStockPhoto.com; Associated Press/Christopher Smith; Associated Press/Yessica Vivancos; ©Andrey Stenkin. Image from BigStockPhoto.com; ©iStockphoto.com/Chris Schmidt Passage 2: ©iStockphoto.com/Andrew Ferguson; ©Dick Luria, Getty Images; ©pr2is. Image from BigStockPhoto.com; ©Stuart Gregory, Getty Images; ©Michael Klenetsky.

19

Image from BigStockPhoto.com; ©Alex Cao, Getty Images; ©Gregg Banks/Lee Kirchhevel. Image from BigStockPhoto.com; ©Todd Arena. Image from BigStockPhoto.com Passage 3: Associated Press/Lisa Poole; ©iStockphoto.com/Lise Gagne; ©Galina Barskaya. Image from BigStockPhoto.com; ©Jack Hollingsworth, Getty Images; ©Marek Slusarczyk. Image from BigStockPhoto.com; ©iStockphoto.com/Sharon Dominick; ©Vince Bucci, Stringer, Getty Images; ©ColorBlind images, Getty Images Passage 4: ©David Davis. Image from BigStockPhoto.com; ©Digital Vision, Getty Images; ©Bushnell, Soifer, Getty Images; ©Stockbyte, Getty Images; ©iStockphoto.com/Peter Mlekuz; ©Dave Nagel, Getty Images; ©Lit Liu. Image from BigStockPhoto.com Passage 5: Associated Press/John Miller; ©Stockbyte, Getty Images; ©Hans Strand, Getty Images; ©Rose Hayes. Image from BigStockPhoto.com; ©Paul Yates. Image from BigStockPhoto.com; ©Matt Baker. Image from BigStockPhoto.com; ©Don Mason, Getty Images; ©iStockphoto.com/Maria Nonko Passage 6: Associated Press/Joerg Sarbach; ©Jess Alford, Getty Images; ©David Lienemann, Stringer, Getty Images; ©Geo Martinez. Image from BigStockPhoto.com; ©Steve Cukrov. Image from BigStockPhoto.com; ©Martin Cerny. Image from BigStockPhoto.com; Associated Press/www.imagesource.com; Associated Press/Susan Walsh Passage 7: ©Dan Wallace. Image from BigStockPhoto.com; ©Darryl Estrine, Getty Images; ©Richard Koek, Getty Images; Asssociated Press/Paul Sakuma; ©Mike Wolforth, Getty Images; ©Stuart O’Sullivan, Getty Images; Associated Press/Bruce Enwman; ©Andy Sacks, Getty Images Passage 8: ©Evans, Getty Images; ©iStockphoto.com; ©iStockphoto.com/Robert Simon; ©Bruno Morandi, Getty Images; ©iStockphoto.com/Grzegorz Szlowieniec; ©iStockphoto.com/Julien Grondin; ©Francesco Ruggeri, Getty Images; ©iStockphoto.com/Linda & Colin McKie Passage 9: ©iStockphoto.com/Rafael Ramirez Lee; ©Stockbyte, Getty Images; ©Joao Canziani, Getty Images; ©Alonzo Chappel, Getty Images; ©iStockphoto.com/Eric Gevaert; ©iStockphoto.com/Dave Logan; ©iStockphoto.com/Diane Diederich; ©Gene Lee. Image from BigStockPhoto.com Passage 10: ©Lori Carpenter. Image from BigStockPhoto.com; ©John Scaletta. Image from BigStockPhoto.com; ©Archana Bhartia. Image from BigStockPhoto.com; Associated Press/J. Henson; ©iStockphoto.com/dagmar heymans; Associated Press/Paul McErlane; ©iStockphoto.com; ©Kevin Sanchez, Cole Group, Getty Images Book 2 Passage 1: ©Ritu Jethani. Image from BigStockPhoto.com; ©iStockphoto.com/Linda Kloosterhof; ©Maree Stachel-Williamson. Image from BigStockPhoto.com; ©Stephen Meese. Image from BigStockPhoto.com; ©Jeffrey Sylvester, Getty Images; ©Flynn Larsen, Getty Images; ©iStockphoto.com/Christopher Badzioch; ©Jim Merli, Getty Images Passage 2: Associated Press/Jan Bauer; ©iStockphoto.com/Pedro Monteiro; ©iStockphoto.com/Alberto Pomares; ©Mattias Klum, Getty; ©Chris Green. Image from BigStockPhoto.com; ©iStockphoto.com/Jill Fromer; ©Jim Cummins, Getty Images

20

Passage 3: Associated Press/Reed Saxon; ©Serghei Starus. Image from BigStockPhoto.com; ©Ernest Prim. Image from BigStockPhoto.com; ©Simone van den Berg. Image from BigStockPhoto.com; ©Paul Cristian Geletu. Image from BigStockPhoto.com; ©iStockphoto.com/Justin Horrocks; ©iStockphoto.com/Carmen Martinez Banús; ©iStockphoto.com Passage 4: ©iStockphoto.com/Jeremy Edwards; ©Yuriy Artemenko. Image from BigStockPhoto.com; ©Bryan Muliennix, Getty Images; ©Richard Ross, Getty Images; ©iStockphoto.com/Jason Lugo; ©iStockphoto.com/Marcus Lindstrom; ©Eric Van Den Brulle, Getty Images; ©Elis Years, Getty Images Passage 5: ©iStockphoto.com; ©Donata Pizzi, Getty Images; ©Loren Lewis. Image from BigStockPhoto.com; ©Stuart Paton, Getty Images; ©Marcin Balcerzak. Image from BigStockPhoto.com; ©Milan Jurkovic. Image from BigStockPhoto.com; ©Matthieu Spohn, Getty Images; ©iStockphoto.com/Merijn van der Vliet Passage 6: Associated Press/Wally Pacholka; ©Phil Morley. Image from BigStockPhoto.com; ©iStockphoto.com/Rick Hyman; ©Chris Cole, Getty Images; ©iStockphoto.com/Reuben Schulz; ©iStockphoto.com/Jeremy Mayes; ©iStockphoto.com; ©iStockphoto.com/Chan pak Kei Passage 7: Rich Reid/Associated Press/Karen Schiely; ©iStockphoto.com; ©VisionsofAmerica, ©Joe Sohm, Getty Images; ©iStockphoto.com; ©Paul Cristian Geletu. Image from BigStockPhoto.com; ©Fox Photos, Stringer, Getty Images; ©iStockphoto.com; ©iStockphoto.com/Tim McCaig Passage 8: ©iStockphoto.com/Karen Grieve; ©Mario Tama, Getty Images; ©Ami Beyer. Image from BigStockPhoto.com; ©iStockphoto.com/Anna Pustovaya; ©iStockphoto.com/Eva Serabassa; ©Eric Gevaert. Image from BigStockPhoto.com; ©Kazuhiro Nogi, AFP, Getty Images; ©iStockphoto.com Passage 9: Associated Press/David Longstreath; ©Natalia Vorojeeva. Image from BigStockPhoto.com; ©Lev Radin. Image from BigStockPhoto.com; Associated Press/Gregory Bull; ©Andres Rodriguez. Image from BigStockPhoto.com; ©iStockphoto.com/Chris Pollack; ©iStockphoto.com; ©iStockphoto.com/Ana Abejon Passage 10: ©Paul Costello, Getty Images; ©iStockphoto.com/Julie de Leseleuc; ©iStockphoto.com/Tomasz Tulik; ©Manchan, Getty Images; ©iStockphoto.com/Paul Kline; ©Marianne Venegoni. Image from BigStockPhoto.com; Associated Press/Kathy Willens; ©iStockphoto.com/Joelle Gould Book 3 Passage 1: Associated Press/Elaine Thompson; Associated Press/Corey Lowenstein; Big Stock/Steve Dickson; ©Gary Randall, Getty Images; ©iStockphoto.com/David White; ©F. Millington, Getty Images; ©Ingrid Visser, Foto Natura, Getty Images; Big Stock/Ian Wilson Passage 2: Big Stock /Sergey Pristyazhnyuk; Big Stock /Simone van den Berg; Big Stock/Jeff Cleveland; ©Toby Burrows, Getty Images; Big Stock/Kevin Britland; Big Stock/Laura Clay-Ballard; Big Stock/Brian McEntire; ©iStockphoto.com/Jason Reekie Passage 3: Associated Press/Pablo Martinez Monsivais; Big Stock/Scott Frangos; ©iStockphoto.com/Paul Kline; Big Stock/Shawn Roberts; ©iStockphoto.com/Sonja Foos; ©iStockphoto.com/Juan Monino; ©iStockphoto.com/Miroslava Arnaudova; ©iStockphoto.com/Cliff Parnel

21

Passage 4: Associated Press; ©Don Smetzer, Getty Images; Big Stock/Roberto Vannucci; ©iStockphoto.com/Eric Foltz; Big Stock/Sonya Etchison; Big Stock/Laurence Gough; Big Stock/Marcin Balcerzak; ©iStockphoto.com/James Steidl Passage 5: ©Tanya Constantine, Getty Images; ©iStockphoto.com/Jacom Stephens; ©iStockphoto.com/Wladyslaw Trojanowski; Big Stock/Cruceru Cristian; Big Stock/Ed Endicott; Big Stock/Galina Barskaya; Associated Press/J. Scott Applewhite Passage 6: Associated Press/Morry Gash; ©iStockphoto.com/Morley Read; ©iStockphoto.com/Thomas Pullicino; Associated Press/Tom Baker; Associated Press/Melissa Smith; ©iStockphoto.com/Alexey Stiop; ©iStockphoto.com; ©iStockphoto.com/Majoros Laszio Passage 7: ©Adam Crowley, Getty Images; ©Per Magnus Persson, Getty Images; ©iStockphoto.com/Ina Peters; ©iStockphoto.com/Patricia Nelson; ©iStockphoto.com/Bob Randall; ©iStockphoto.com/Serdar Yagci; Big Stock/Elena Blokhina; Big Stock/Yuri Arcurs Passage 8: Big Stock/Christos Georghiou; ©iStockphoto.com/Debi Bishop; ©iStockphoto.com/Jeannette Meier; ©Image Source Pink, Getty Images; ©Stockbyte, Getty Images; Associated Press/Brian Kersey Passage 9: Associated Press/Roberto Candia; ©Johner, Getty Images; Associated Press/Thomas Kienzle; ©Elsa, staff, Getty Images; ©Jim Rogash, Stringer, Getty Images; ©Frederick M. Brown, Stringer, Getty Images; ©Sean Gallup, Stringer, Getty Images; Associated Press/Claudio Miano Passage 10: ©iStockphoto.com/Edward Holtzman; ©iStockphoto.com/Joerg Reimann; Big Stock/Geo Martinez; ©iStockphoto.com/Jennifer Conner; ©Stockbyte, Getty Images; ©Manchan, Getty Images; ©iStockphoto.com/Sveta Kashkina Book 4 Passage 1: Big Stock/Susan Flashman; ©iStockphoto.com/Theo Fitzhugh; ©iStockphoto.com/Katerina Cherkashina; ©iStockphoto.com/Christoph Ermel; ©iStockphoto.com/Suzann Julien; Big Stock/John Pitcher; ©Tom Brakefield, Getty Images Passage 2: Big Stock/marilyn barbone; Big Stock/Vedrean Grubac; ©Ulli Seer, Getty Images; ©iStockphoto.com/Reuben Schulz; Big Stock/Nicholas Rjabow; Big Stock/Scott Frangos; ©Flickr/Bakkenes

Passage 3: ©iStockphoto.com/Knud Nielsen; ©Philip J. Brittan, Getty Images; Big Stock/Karen Struthers; Big Stock/Dmitriy Shironosov; ©Tony Ashby, 2008 AFP, Getty Images; ©Image Source Pink, Getty Images; ©iStockphoto.com/Lauri Wiberg; ©iStockphoto.com/Rhienna Cutler Passage 4: ©Timothy A. Clary, AFP, Getty Images; Big Stock/Loren Lewis; Big Stock/Monica Boorboor; Big Stock/Kenneth Sponsler; ©iStockphoto.com/Youssouf Cader; ©Spike Mafford, Getty Images; Associated Press/Bebeto Matthews Passage 5: ©iStockphoto.com/Gordon Dixon; ©iStockphoto.com/Robert Hackett; ©iStockphoto.com/Justin Horrocks; Big Stock/Andres Rodriguez; ©Frans Lemmens, Getty Images; ©Daryl Benson, Getty Images; ©iStockphoto.com/Barry Gregg; Associated Press/Ron Wurzer

22

Passage 6: Associated Press; ©iStockphoto.com/Jonathan Souza; ©iStockphoto.com; ©White Packert, Getty Images; Big Stock/Jason Stitt; ©iStockphoto.com/Achim Prill; ©iStockphoto.com/Sheri Bigelow Passage 7: Big Stock/Peter Blottman; ©iStockphoto.com/Denise McQuillen; ©C.Lee, PhotoLink, Getty Images; ©Michael Blann, Getty Images; ©iStockphoto.com; ©iStockphoto.com/Serdar Yagci; ©iStockphoto.com/Meredith Mullins; ©Louis Quall, Getty Images Passage 8: ©iStockphoto.com/Alex Slobodkin; Big Stock/Antonio Cotto; ©Michael Krasowitz, Getty Images; Big Stock/Aura de Saussure; Big Stock/Suprijono Suharjoto; ©Stockbyte, Getty Images; ©iStockphoto.com; ©iStockphoto.com/Eugene Bochkarev Passage 9: Associated Press/Marc F. Henning; ©Stringer, Getty Images; Big Stock/L. David; ©iStockphoto.com; ©iStockphoto.com/Sharon Dominick; ©iStockphoto.com/Anna Yu; ©iStockphoto.com/Paul Tessler; ©Rubberball, Getty Images; ©iStockphoto.com/Eric Isselee; Big Stock/Bruce Shippee Passage 10: ©Eric Meola, Getty Images; ©iStockphoto.com/Daniel Cardiff; ©Coto Elizondo, Getty Images; ©Egyptian, Getty Images; Big Stock/Gustavo Fadel; Big Stock/Johnny Lye; ©iStockphoto.com/Lisa F. Young Photo Credits Level 14 Book 1 Passage 1: ©iStockphoto.com/Karina Tischlinger; ©iStockphoto.com/Lee Feldstein; AP Photo/Wirtschafts Blatt/Richard Tanzer; ©iStockphoto.com/Paul Prescott; ©iStockphoto.com/Chanyut Sribuarawd; ©iStockphoto.com/Martin Bowker; ©iStockphoto.com/Don Bayley Passage 2: ©Jennette van Dyk, Getty Images; ©iStockphoto.com/Sasa Milosevic; ©iStockphoto.com/Marcel Pelletier; ©Darryl Leniuk, Getty Images; ©iStockphoto.com/Oksana Perkins; ©iStockphoto.com/Mirela Schenk Passage 3: AP Photo/Steve Holland; ©iStockphoto.com/Galina Barskaya; ©iStockphoto.com/Lian Leong; ©iStockphoto.com/Lisa Eastman; AP Photo/Herald-Mail; Kevin G. Gilbert; AP Photo/Elise Amendola; ©iStockphoto.com/Franky De Meyer; AP Photo/Lou Krasky Passage 4: ©Normand Blouin-Pool, Getty Images; ©iStockphoto.com/Steve Baxter; AP Photo; ©iStockphoto.com/Robyn Glover; ©iStockphoto.com/lijlexmom; AP Photo/The Oklahoman; Paul B. Southerland; AP Photo/Suzanne Mapes Passage 5: ©iStockphoto.com/Giovanni Rinaldi; ©iStockphoto.com/René Mansi; AP Photo/Ted S. Warren; ©iStockphoto.com/Michael Valdez; ©iStockphoto.com/ooyoo; ©iStockphoto.com/Nikada; AP Photo/David Maung; ©iStockphoto.com/Bob Randall Passage 6: ©iStockphoto.com/Alexey Stiop; ©iStockphoto.com/; flickr/LinPernille; ©iStockphoto.com/Steve Geer; ©iStockphoto.com/Elena Pavlova; ©iStockphoto.com/Rob Friedman; ©iStockphoto.com/Lee Pettet; NASA Passage 7: AP Photo; ©iStockphoto.com/Karen Struthers; 123RF/Elena Elisseeva; AP Photo/Xinhua; Liu Yu; ©iStockphoto.com/Jamie Wilson; ©iStockphoto.com/Brad Killer; ©iStockphoto.com/Elisabeth Rawald; 123RF/Gina Smith Passage 8: ©iStockphoto.com/Nancy Nehring; ©iStockphoto.com/Lo-So-Ma; AP Photo; ©iStockphoto.com/René Mansi; ©iStockphoto.com/Bryan Faust;

23

©iStockphoto.com/Franky De Meyer; ©iStockphoto.com/naphtalina; ©iStockphoto.com/Jim Jurica Passage 9: AP Photo/Science and the University of Washington; ©Nicholas Rigg, Getty Images; ©iStockphoto.com/David Hanson; ©iStockphoto.com/blaneyphoto; ©iStockphoto.com/Allen Johnson; ©iStockphoto.com/Daniel Wiedemann Passage 10: ©Deborah Jaffe, Getty Images; ©iStockphoto.com/Meredith Mullins; ©iStockphoto.com/Brandon Seide; ©iStockphoto.com/Carri Keill; ©iStockphoto.com/Juan Estey; ©iStockphoto.com/Sean Locke; 123RF/Stacy Barnett; ©iStockphoto.com/Jack Puccio Book 2 Passage 1: ©Hola Images, Getty Images; ©iStockphoto.com/penfold; ©iStockphoto.com/saw; ©iStockphoto.com/Viorika Prikhodko; ©iStockphoto.com/Andris Daugovich; ©HOANG DINH NAM, AFP, Getty Images Passage 2: AP Photo/Paul Sakuma; ©iStockphoto.com/Ana Abejon; ©iStockphoto.com/René Mansi; ©iStockphoto.com/Igor Kraguljac; ©iStockphoto.com/Hedda Gjerpen; ©Andersen Ross, Getty Images; ©iStockphoto.com/Wouter van Caspel; ©Peter Dazeley, Getty Images Passage 3: AP Photo/Shiho Fukada; ©iStockphoto.com/Brad Killer; Big Stock; ©Ryan McVay, Getty Images; ©Jonathan Kirn, Getty Images; ©iStockphoto.com/Dan Brandenburg; ©Celia Peterson, Getty Images Passage 4: AP Photo/Wade Payne; ©Michael Matisse, Getty Images; ©iStockphoto.com/Matty Symons; ©iStockphoto.com/stanfair; Big Stock; Big Stock; Big Stock Passage 5: ©iStockphoto.com/panopticum; Big Stock; ©iStockphoto.com/Peeter Viisimaa; ©iStockphoto.com/Jerry Koch; Big Stock; Big Stock Passage 6: AP Photo/NOAO; Big Stock; ©Nicholas Prior, Getty Images; ©iStockphoto.com/Maxim Bolotnikov; ©iStockphoto.com/Leigh Schindler; Shutterstock Passage 7: ©iStockphoto.com/Luis Seco; ©iStockphoto.com/strickke; ©iStockphoto.com/Marcel Pelletier; ©iStockphoto.com/Bill Grove; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Alistair Scott Passage 8: AP Photo/Keystone; Steffen Schmidt; Big Stock; ©Time & Life Pictures, Getty Images; ©iStockphoto.com/Lisa F. Young; ©iStockphoto.com/Tobias Lauchenauer; ©iStockphoto.com/Rich Legg; Big Stock Passage 9: AP Photo/Sakchai Lalit; Big Stock; ©iStockphoto.com/Bryan Lever; ©iStockphoto.com/Chanyut Sribuarawd; ©iStockphoto.com/YinYang; ©iStockphoto.com/Jeffrey Smith; ©iStockphoto.com/Jacob Wackerhausen; ©Image Source, Getty Images Passage 10: ©iStockphoto.com/Kriss Russell; ©iStockphoto.com/Brandon Clark; ©iStockphoto.com/Georg Hafner; ©Victoria Snowber, Getty Images; ©Tanya Constantine, Getty Images Book 3 Passage 1: ©Jeff Foott, Getty Images; Big Stock; ©iStockphoto.com/webking; ©iStockphoto.com/HannamariaH; ©iStockphoto.com/Sean Locke; ©iStockphoto.com/Emmanuelle Bonzami

24

Passage 2: ©Keystone, Stringer, Getty Images; ©iStockphoto.com/Frank Leung; ©iStockphoto.com/Tammy Bryngelson; ©iStockphoto.com/sonyae; Shutterstock/JustASC; ©iStockphoto.com/Goce Risteski; ©iStockphoto.com/Nicola Stratford Passage 3: AP Photo/Jeff Zelevansky; ©Michael Ochs Archives, Getty Images; ©Taxi Japan, Getty Images; ©iStockphoto.com/Kenneth C. Zirkel; ©iStockphoto.com/Tobias Lauchenauer; ©iStockphoto.com/luoman; ©iStockphoto.com/Quavondo Nguyen; ©AFP, Stringer, Getty Images Passage 4: AP Photo/University of Chicago; ©Christopher White. Image from BigStockPhoto.com; ©Ron Odell. Image from BigStockPhoto.com; ©Dorling Kindersley, Getty Images; ©iStockphoto.com/Chan Pak Kei; ©iStockphoto.com/Steve Cukrov Passage 5: ©iStockphoto.com; ©iStockphoto.com/Vicki Reid; ©iStockphoto.com/Rich Legg; Shutterstock/Igor Karon Passage 6: ©iStockphoto.com/Todd Smith; ©iStockphoto.com/Nikita Buida; ©Rinderart. Image from BigStockPhoto.com; ©Junko Kimura, Getty Images; ©Natalie Behring-Chisholm, Getty Images; Shutterstock/Nicholas Moore Passage 7: AP Photo/Tannen Maury; ©iStockphoto.com/Pattie Steib; ©iStockphoto.com/Glenda Powers; ©iStockphoto.com/Glen Teitell; ©Stephen Munday, Getty Images; Wiki/Infrogmation; Shutterstock/James B. Adson Passage 8: ©iStockphoto.com/Lynn Seeden; ©iStockphoto.com/Lisa McDonald; ©iStockphoto.com/David Safanda; ©iStockphoto.com/Silvrshootr; ©iStockphoto.com/fotoIE; ©iStockphoto.com/Jeremy Edwards Passage 9: ©iStockphoto.com/James Graham; ©iStockphoto.com/Gneesam; ©iStockphoto.com/Maria Zubareva; ©iStockphoto.com/Greg Christman; ©iStockphoto.com/Sharon Dominick; ©iStockphoto.com/Jean-Joseph Renucci; ©iStockphoto.com/Rob Sylvan Passage 10: ©Arthur Tilley, Getty Images; ©Mike Kemp, Getty Images; ©Insy Shah, Getty Images; ©iStockphoto.com/Skip O’Donnell; ©iStockphoto.com/Eva Serrabassa; ©iStockphoto.com/Charles Benavidez Book 4 Passage 1: Wikipedia/Hauke Koch; ©iStockphoto.com/Nikola Bilic; ©iStockphoto.com/Jeff Edney; ©iStockphoto.com/Fred Hall; ©iStockphoto.com/Soundsnaps; ©iStockphoto.com/Richard Martyniak Passage 2: ©iStockphoto.com/jeridu; ©iStockphoto.com/Thomas Mounsey; ©iStockphoto.com/Frank Leung; ©iStockphoto.com/ArtmannWhite Passage 3: ©iStockphoto.com/Ermin Gutenberger; ©iStockphoto.com/arlindo71; ©iStockphoto.com/Stephanie Phillips; ©iStockphoto.com/Orhan Çam; ©iStockphoto.com/Jacob Wackerhausen Passage 4: Emma Pike; ©iStockphoto.com/Ljupco; ©iStockphoto.com/Max Lindenthaler; Shutterstock/Bruce MacQueen; ©iStockphoto.com/Jonathan Larsen; ©iStockphoto.com/Norley Firdaus Abdullah; Image from BigStockPhoto.com Passage 5: AP Photo/Mary Altaffer; Shutterstock/Kateryna Potrokhova; ©iStockphoto.com/Juan Monino; ©iStockphoto.com/Juan Estey; ©Jeff Hall, Coast Guard, Getty Images

25

Passage 6: ©ISSOUF SANOGO, AFP, Getty Images; ©iStockphoto.com/Martin Wandel; ©Keystone, Getty Images; ©iStockphoto.com/Jeremy Edwards; ©iStockphoto.com/Ricardo De Mattos; ©iStockphoto.com/Robyn Mackenzie Passage 7: ©iStockphoto.com/Lance Bellers; ©Andrea Pistolesi, Getty Images; ©iStockphoto.com/Lea Kavcic; ©iStockphoto.com/Tony Tremblay; ©Andrew H. Walker, Getty Images; ©Ryan McVay, Getty Images; ©iStockphoto.com/sandramo Passage 8: ©Bob Thomas, Getty Images; ©iStockphoto.com/Fred Didier; ©iStockphoto.com/Lee Pettet; ©iStockphoto.com/Aleksey Ubozhenko Passage 9: AP Photo/Holiday Park Hassloch; Juergen Lotz; ©iStockphoto.com/Andrey Volodin; ©iStockphoto.com/Ron Hohenhaus; ©iStockphoto.com/Dave Raboin; ©iStockphoto.com/Tracy Hebden; ©iStockphoto.com/Steven Miric Passage 10: ©Getty Images; ©iStockphoto.com/En Tien Ou; ©iStockphoto.com/David Hernandez; ©iStockphoto.com/Bonnie Jacobs; ©Getty Images; ©iStockphoto.com/Luis Pedrosa; ©iStockphoto.com/Terry Healy Photo Credits Level 15 Book 1 Passage 1: ©Marcel Jancovic/Shutterstock.com; ©Louise Cukrov/Shutterstock.com; ©Eric Gevaert/Shutterstock.com; ©Tomislav Stajduhar/Shutterstock.com; ©Galyna Andrushko/Shutterstock.com; ©iStockphoto.com/jan kranendonk Passage 2: 100milediet.org; ©Andrejs Pidjass/Shutterstock.com; ©iStockphoto.com/Alex Brosa; ©iStockphoto.com/Dar Yang Yan; ©Stephen Coburn/Shutterstock.com; ©Peter Elvidge/Shutterstock.com Passage 3: ©Alan C. Heison/Shutterstock.com; ©Stephen Coburn/Shutterstock.com; ©Milat/Shutterstock.com; ©Alan C. Heison/Shutterstock.com; Image from BigStockPhoto.com; Image from BigStockPhoto.com Passage 4: ©Alberto Tamargo, Getty Images; ©Carolyne Pehora/Shutterstock.com; ©Alex Melnick/Shutterstock.com; ©Karen Struthers/Shutterstock.com; ©Jerry Sharp/Shutterstock.com; ©Michelle D. Millman/Shutterstock.com; ©SaferTim/Shutterstock.com Passage 5: ©Ng Wei Keong/Shutterstock.com; ©iStockphoto.com/Pawel Liplec; ©iStockphoto.com; ©afaizal/Shutterstock.com; ©Getty Images; ©Alexei Novikov/Shutterstock.com Passage 6: Image from BigStockPhoto.com; Image from BigStockPhoto.com; ©Dianne/Shutterstock.com; ©Yanik Chauvin/Shutterstock.com; ©YAKOBCHUK VASYL/Shutterstock.com; ©Mike Norton/Shutterstock.com; ©Duncan Gilbert/Shutterstock.com Passage 7: MorgueFile; ©Laurence Gough/Shutterstock.com; Image from BigStockPhoto.com; Image from BigStockPhoto.com; ©Socrates/Shutterstock.com; ©iStockphoto.com; ©iStockphoto.com/Gabriela Trojanowska Passage 8: ©CJPhoto/Shutterstock.com; ©Alex Staroseltsev/Shutterstock.com; ©iStockphoto.com/Jim Pruitt; ©Sergey Rusakov/Shutterstock.com; ©Jaimie Duplass/Shutterstock.com; ©Zastolskiy Victor Leonidovich/Shutterstock.com; ©Brent Wong/Shutterstock.com; ©Paul Morse, Getty Images; ©James Blinn/Shutterstock.com

26

Passage 9: Image from BigStockPhoto.com; ©Matthew Jacques/Shutterstock.com; ©Lisa F. Young/Shutterstock.com; ©iStockphoto.com/Wojciech Krusinski; ©iStockphoto.com/david kahn; ©aceshot1/Shutterstock.com; ©CAN BALCIOGLU/Shutterstock.com; ©Terrance Emerson/Shutterstock.com Passage 10: ©Supri Suharjoto/Shutterstock.com; ©Mandy Godbehear/Shutterstock.com; ©iStockphoto.com/Nicola Stratford; ©iStockphoto.com/Pierre Yu; ©Lisa F. Young/Shutterstock.com; ©Rayman, Getty Images; ©Adam Taylor, Getty Images; ©Tomasz Trojanowski/Shutterstock.com Book 2 Passage 1: ©iStockphoto.com/Dieter Hawlan; ©Sebastian Kaulitzki/Shutterstock.com; Image from BigStockPhoto.com; Image from BigStockPhoto.com Passage 2: ©iStockphoto.com/Jan Tyler; ©iStockphoto.com/Elzbieta Sekowska; ©Jim Parkin/Shutterstock.com; ©iStockphoto.com/Maartje van Caspel; Image from BigStockPhoto.com; ©AFP, Getty Images; ©Maxim Petrichuk/Shutterstock.com Passage 3: ©Chris Jackson, Getty Images; ©Rob Marmion/Shutterstock.com; Image from BigStockPhoto.com; Image from BigStockPhoto.com; ©Buccina Studios, Getty Images; ©Galina Barskaya/Shutterstock.com; ©iStockphoto.com/Dan Moore; Image from BigStockPhoto.com Passage 4: ©PKPhoto/Shutterstock.com; ©steve estvanik/Shutterstock.com; ©iStockphoto.com/Stefan Klein; Image from BigStockPhoto.com; ©Donald Gargano/Shutterstock.com; ©iStockphoto.com/Jan Rihak Passage 5: ©Tony May, Getty Images; ©Miodrag Gajic/Shutterstock.com; ©sonya etchison/Shutterstock.com; ©Johnny Lye/Shutterstock.com; ©egd/Shutterstock.com; ©krishnacreations/Shutterstock.com; ©iStockphoto.com/matt appel Passage 6: ©iStockphoto.com/Robert Young; ©Joellen L Armstrong/Shutterstock.com; ©Robert J. Beyers II/Shutterstock.com; ©Martin Kubát/Shutterstock.com; ©Matt Apps/Shutterstock.com; ©Roca/Shutterstock.com; ©VANNUCCI ROBERTO/Shutterstock.com; ©Janez Habjanic/Shutterstock.com Passage 7: ©iStockphoto.com/Maxime VIGE; Image from BigStockPhoto.com; ©James Steidl/Shutterstock.com; ©hfng/Shutterstock.com; Image from BigStockPhoto.com; ©Harald Høiland Tjøstheim/Shutterstock.com; ©Weldon Schloneger/Shutterstock.com; ©Tomasz Trojanowski/Shutterstock.com Passage 8: ©Getty Images; ©lucwa/Shutterstock.com; ©Mike Flippo/Shutterstock.com; ©Andreas Myer/Shutterstock.com; ©Carolina K. Smith; M.D./Shutterstock.com; ©Getty Images; ©iStockphoto.com/Karina Tischlinger; Image from BigStockPhoto.com Passage 9: ©iofoto/Shutterstock.com; ©Alexey Biryukov/Shutterstock.com; Image from BigStockPhoto.com; ©Getty Images; ©Carolyn Brule/Shutterstock.com; ©Michel Isola/Shutterstock.com Passage 10: ©iStockphoto.com/Eric Limón; ©Michelle D. Milliman/Shutterstock.com; ©Dmitriy Shironosov/Shutterstock.com; ©David Máška/Shutterstock.com; ©Christopher P. Grant/Shutterstock.com; ©Lorraine Swanson/Shutterstock.com; ©iStockphoto.com/Quavondo Nguyen Book 3

27

Passage 1: ©TAOLMOR/Shutterstock.com; ©Dr. Morley Read/Shutterstock.com; ©Getty Images; ©iStockphoto.com/josh webb; ©Zelenenkyy Yuriy/Shutterstock.com; Image from BigStockPhoto.com Passage 2: ©Dale Mitchell/Shutterstock.com; ©Tyler Stableford, Aurora Outdoor Collection, Getty Images; ©David P. Lewis/Shutterstock.com; ©szefei/Shutterstock.com; ©iStockphoto.com; ©Andrey Stratilatov/Shutterstock.com; Image from BigStockPhoto.com Passage 3: ©LEE CELANO, AFP, Getty Images; ©iStockphoto.com/Stephan Zabel; ©Phil Date/Shutterstock.com; ©Ljupco Smokovski/Shutterstock.com Passage 4: ©Getty Images; ©Simon Roberts, Reportage, Getty Images; ©Keith Muratori/Shutterstock.com; ©Peter Brett Charlton/Shutterstock.com; ©Ben Martin, Time Life Pictures, Getty Images Passage 5: ©MalibuBooks/Shutterstock.com; ©Donald R. Swartz/Shutterstock.com; ©Pierdelune/Shutterstock.com; ©Thomas Barrat/Shutterstock.com; ©Phil Walter, Getty Images; ©wrangler/Shutterstock.com Passage 6: ©IOC Olympic Museum, Allsport, Getty Images; ©Rubberball Productions, Getty Images; Image from BigStockPhoto.com; ©iStockphoto.com; ©Stuart Cohen, Getty Images; ©Leonard McLane, Getty Images; ©iStockphoto.com/Kevin Russ Passage 7: ©Mircea BEZERGHEANU/Shutterstock.com; Image from BigStockPhoto.com; ©Tony Mathews/Shutterstock.com; Image from BigStockPhoto.com; ©iStockphoto.com/Peter Mleku; ©Povl E. Petersen/Shutterstock.com; Image from BigStockPhoto.com Passage 8: ©iStockphoto.com/Beverly Martin; ©iStockphoto.com/Beverly Martin; ©iStockphoto.com/Hector Joseph Lumang; Image from BigStockPhoto.com; Image from BigStockPhoto.com; Image from BigStockPhoto.com; Image from BigStockPhoto.com; ©May-Britt Hansen/Shutterstock.com Passage 9: ©WH Chow/Shutterstock.com; ©iStockphoto.com/christine gonsalves; ©Kmitu/Shutterstock.com; ©Tamara Lackey, fstop, Getty Images; ©Kheng Guan Toh/Shutterstock.com; ©Russell Shively/Shutterstock.com; Image from BigStockPhoto.com; Getty Passage 10: ©Getty Images; ©zimmytws/Shutterstock.com; Image from BigStockPhoto.com; ©Alexander Shalamov/Shutterstock.com; ©Matt Ragen/Shutterstock.com; ©Valarie Staus/Shutterstock.com Book 4 Passage 1: ©Tim Tran/Shutterstock.com; ©Robert Gubbins/Shutterstock.com; ©Stuart Miles/Shutterstock.com; Image from BigStockPhoto.com; ©Jackie Foster/Shutterstock.com; ©iStockphoto.com/Adrian Assalve; ©Andrea Danti/Shutterstock.com; ©Alexey Stiop/Shutterstock.com Passage 2: ©Justin Kim/Shutterstock.com; Image from BigStockPhoto.com; ©Sebastian Kaulitzki/Shutterstock.com; ©Image Source Pink, Getty Images; ©Joel Sartore, National Geographic, Getty Images; ©WizData Inc./Shutterstock.com; ©iStockphoto.com/Ferran Traite Soler; Image from BigStockPhoto.com Passage 3: ©MAXIM MARMUR, AFP, Getty Images; ©Galina Barskaya/Shutterstock.com; ©Amy Nichole Harris/Shutterstock.com; Image from BigStockPhoto.com; ©Michelle Donahue Hillison/Shutterstock.com

28

Passage 4: ©Raphael Van Butsele, Getty Images; Image from BigStockPhoto.com; Image from BigStockPhoto.com; ©Brad Denoon/Shutterstock.com; ©Kheng Guan Toh/Shutterstock.com; ©iStockphoto.com/Cliff Parnell; ©Julián Rovagnati/Shutterstock.com Passage 5: Image from BigStockPhoto.com; ©Dragan Trifunovic/Shutterstock.com; ©Rebecca Dickerson/Shutterstock.com; ©Mary Lane/Shutterstock.com; ©emin kuliyev/Shutterstock.com; ©Darryl Leniuk, Getty Images; ©Image Source Black, Image Source, Getty Images Passage 6: ©Thomas Northcut, Getty Images; ©iStockphoto.com/Cliff Parnell; ©iStockphoto.com/Andre Nantel; Big Stock; ©Grant V. Faint, Getty Images; ©Gina Smith/Shutterstock.com Passage 7: ©Topical Press Agency, Getty Images; ©Crystal Kirk/Shutterstock.com; Image from BigStockPhoto.com; ©Monika Wisniewska/Shutterstock.com; ©Don Lawrence, The Bridgeman Art Library, Getty Images; ©Simon Krzic/Shutterstock.com; ©Dmitriy Shironosov/Shutterstock.com Passage 8: Image from BigStockPhoto.com; Image from BigStockPhoto.com; ©Ashley Whitworth/Shutterstock.com; Image from BigStockPhoto.com; ©Kristin Speed/Shutterstock.com; ©Robert Kyllo/Shutterstock.com; ©iStockphoto.com; ©Don Cravens, Time Life Pictures, Getty Images Passage 9: ©iStockphoto.com; ©Edmund Blair Leighton, The Bridgeman Art Library, Getty Images; ©iStockphoto.com/maria gritcai; ©iStockphoto.com/Lisa F. Young; ©John Rowley, Getty Images; ©Getty Images; ©iofoto/Shutterstock.com Passage 10: ©Rex Brown, Getty Images; ©Image Source Black, Image Source, Getty Images; ©zimmytws/Shutterstock.com; ©iStockphoto.com/Shelly Perry; ©Adam Burn, fStop, Getty Images; Image from BigStockPhoto.com; ©iStockphoto.com/john miller; ©James Steidl/Shutterstock.com Photo Credits Level 16 Book 1 Passage 1: ©iStockphoto.com/Steve Geer; ©iStockphoto.com/David Freund; ©iStockphoto.com; ©iStockphoto.com/Agnieszka Pastuszak-Maksim; ©iStockphoto.com/william casey Passage 2: ©iStockphoto.com/Johnny Scriv; ©iStockphoto.com; ©iStockphoto.com/Steve Mcsweeny; ©iStockphoto.com/Robyn Mackenzie; ©iStockphoto.com/Sawayasu Tsuji Passage 3: ©NBAE, Getty Images; ©iStockphoto.com/Lawrence Sawyer; ©iStockphoto.com; ©Sergey Petrov/Shutterstock.com; ©iStockphoto.com/Dan Herrick; ©Matthew Jacques/Shutterstock.com; ©iStockphoto.com Passage 4: ©Associated Press; ©iStockphoto.com; ©iStockphoto.com; ©Associated Press; ©iStockphoto.com; ©Dmytro Korolov/Shutterstock.com Passage 5: ©iStockphoto.com/David Cannings-Bushell; ©iStockphoto.com/Alexander Chelmodeev; ©iStockphoto.com/Jack Puccio; ©iStockphoto.com/Stephen Pothier; ©iStockphoto.com/Bonnie Jacobs

29

Passage 6: ©iStockphoto.com/Craig Swatton; ©iStockphoto.com/Robin Arnold; ©iStockphoto.com/Julien Grondin; ©iStockphoto.com; ©iStockphoto.com/Olivier Lantzendörffer; ©iStockphoto.com/Svetlana Prikhodk Passage 7: ©iStockphoto.com; ©iStockphoto.com; ©Getty Images; ©Associated Press; ©iStockphoto.com/Emre YILDIZ; ©iStockphoto.com; ©iStockphoto.com Passage 8: ©AP Images/JOHN STANMEYER; ©iStockphoto.com/Everett Pauls; ©iStockphoto.com/Scott Hirko; ©iStockphoto.com/Jim Pruitt; ©iStockphoto.com/Mark Coffey; ©iStockphoto.com; ©iStockphoto.com/Vasiliki Varvaki; ©iStockphoto.com/Nuno Silva Passage 9: ©iStockphoto.com; ©iStockphoto.com/Damir Cudic; Image from BigStockPhoto.com; ©iStockphoto.com/Tyson Wirtzfeld; ©iStockphoto.com/tatiana sayig; ©iStockphoto.com; ©iStockphoto.com/Pamela Moore Passage 10: ©iStockphoto.com/Joey Nelson; ©iStockphoto.com/Alan Heartfield; ©Stockbyte/George Doyle; ©iStockphoto.com/Forest Woodward; ©iStockphoto.com/Quavondo Nguyen; ©Juriah Mosin/Shutterstock.com Book 2 Passage 1: ©iStockphoto.com/Stefan Witas; ©iStockphoto.com/Michael Gray; ©iStockphoto.com/William Walsh; ©iStockphoto.com/Seth Loader; ©AP Images/Chris O’Meara; ©iStockphoto.com/Jeff deVries Passage 2: ©Time & Life Pictures, Getty Images; ©2265524729/Shutterstock.com; ©iStockphoto.com/Dave Logan; ©iStockphoto.com/Lisa F. Young; ©Ronnie Kaufman, Blend Images, Getty Images; ©iStockphoto.com/Justin Voight; ©iStockphoto.com/Vasiliki Varvaki; ©iStockphoto.com/Anna Bakulina Passage 3: ©2007 Getty Images; ©iStockphoto.com/Ben Blankenburg; ©iStockphoto.com/Imre Cikajlo; ©AP Images/Horace Cort; ©iStockphoto.com/Glenda Powers Passage 4: ©iStockphoto.com/Nikita Rogul; ©iStockphoto.com/Jaimie D. Travis; ©iStockphoto.com/Jack Puccio; ©iStockphoto.com/; ©iStockphoto.com/Don Bayley; Image from BigStockPhoto.com; ©iStockphoto.com/Duard van der Westhuizen; ©iStockphoto.com Passage 5: ©AP Images/Andy Wong; ©iStockphoto.com/Randy McKown; ©iStockphoto.com/Rohit Seth; ©iStockphoto.com/Andrej Simeonov; Image from BigStockPhoto.com; iStockphoto.com/David Chadwick Passage 6: ©AP Images/NASA; ©Lester Lefkowitz, Getty Images; ©iStockphoto.com/Monika Adamczyk; ©Graça Victoria; ©Stocktrek Images, Getty Images; ©iStockphoto.com/Hedda Gjerpen Passage 7: ©Richard Donovan/Polar Running Adventures; ©iStockphoto.com/Jennifer Daley; ©iStockphoto.com; ©iStockphoto.com/Claude Dagenais; ©iStockphoto.com/Alberto Pomares Passage 8: ©iStockphoto.com/Joan Quevedo Fle; ©iStockphoto.com; ©iStockphoto.com; ©iStockphoto.com/Mike Wiggins; ©iStockphoto.com/Guy Sargent Passage 9: ©AP Images/KEYSTONE/Martial Trezzini; ©iStockphoto.com/Andrea Gingerich; ©iStockphoto.com/; ©blue jean images, Getty Images; ©iStockphoto.com/Barry Gregg; ©iStockphoto.com/Dieter Spears; ©Tim Graham, Getty Images

30

Passage 10: ©Stockbyte, Getty Images; ©iStockphoto.com; Image from BigStockPhoto.com; Image from BigStockPhoto.com; ©iStockphoto.com/Hedda Gjerpen; Image from BigStockPhoto.com; ©Jim Arbogast, Getty Images Book 3 Passage 1: ©iStockphoto.com/John Pitcher; ©iStockphoto.com/Andrew Hyslop; ©iStockphoto.com/Heiko Bennewitz; ©iStockphoto.com/Dane Wirtzfeld; ©iStockphoto.com/Linda Kloosterhof; ©iStockphoto.com/Johnny Scriv Passage 2: ©iStockphoto.com/Gary Unwin; ©iStockphoto.com/Kitch Bain; ©iStockphoto.com/Robert Ivanov; ©iStockphoto.com/Jeff Hoover; ©iStockphoto.com/Alan Tobey; ©iStockphoto.com/Aaron Kohr; ©iStockphoto.com/Tony Campbell Passage 3: ©iStockphoto.com/Sean Locke; ©AP Images/MARK GILLILAND; ©iStockphoto.com/Frank-Peter Funke; ©iStockphoto.com/Chan Pak Kei; ©iStockphoto.com/Olivier Blondeau Passage 4: ©AP Images/Gary He; ©AP Images/ADAM BUTLER; ©AP Images/PATRICK GARDIN; ©Purestock, Getty Images; ©iStockphoto.com; ©Ariel Skelley, Getty Images Passage 5: ©iStockphoto.com/Steven Allan; ©muriel lasure; ©iStockphoto.com/Can Balcioglu; ©Martin Cerny; ©iStockphoto.com/Justin McDonald; ©iStockphoto.com/Tammy Peluso; ©Jennifer Hitchcock Passage 6: ©iStockphoto.com/Rafal Zdeb; ©Judy Dillon. Image from BigStockPhoto.com; Image from BigStockPhoto.com; ©Robert Warren, Getty Images; ©Thomas Barwick, Getty Images; ©Inga Kruse. Image from BigStockPhoto.com; ©Trutta55/Shutterstock.com; ©Ray Massey, Getty Images Passage 7: ©Zaporozhchenko Yury/Shutterstock.com; ©iStockphoto.com/Jon Schulte; ©ROB ELLIOT, Stringer, Getty Image; ©James Steidl. Image from BigStockPhoto.com; ©ChipPix/Shutterstock.com; ©LIU JIN, Stringer, Getty Images; ©AP Images/DIANE BONDAREFF Passage 8: ©iStockphoto.com/Sean Locke; ©Cora Reed. Image from BigStockPhoto.com; ©James Phelps. Image from BigStockPhoto.com; ©Alexander A. Khromtsov/Shutterstock.com; ©Cristi Matei/Shutterstock.com; ©iStockphoto.com/Linda Steward; ©iStockphoto.com/Millanovic; ©iStockphoto.com/Tammy Peluso Passage 9: ©AP Images/Charlie Riedel; ©Lawrence Long. Image from BigStockPhoto.com; ©AP Images/Michael Probst; ©PhotoAlto, Laurence Mouton, Getty Images; ©AP Images/CHARLIE RIEDEL; ©Iryna Kurhan. Image from BigStockPhoto.com; ©Linda Hewell. Image from BigStockPhoto.com; ©Inti St Clair, Getty Images Passage 10: ©iStockphoto.com/Marilyn Nieves; ©Dave King, Getty Images; ©Marili Forastieri, Getty Images; ©iStockphoto.com/Jason van der Valk; ©National Geographic, Joel Sartore, Getty Images; ©AP Images/ROBIN LOZNAK; ©Douglas McLaughlin. Image from BigStockPhoto.com Book 4 Passage 1: ©AP Images/SIMON LIN; ©iStockphoto.com/Vladimirs Koskins; ©shahar choen/Shutterstock.com; ©iStockphoto.com; ©Jim Arbogast, Getty Images

31

Passage 2: ©iStockphoto.com/Rena Schild; ©Phil Date. Image from BigStockPhoto.com; ©Joe McBride, Getty Images; ©Frazer Harrison, Getty Images Passage 3: ©AP Images/MICHEL EULER; ©iStockphoto.com/Karel Broz; ©Photodisc, ICHIRO, Getty Images; ©fStop, Lothar Schulz, Getty Images; ©iStockphoto.com/Nikolay Mamluke; ©iStockphoto.com/Chris Schmidt; ©AP Images/DIANE BONDAREFF Passage 4: ©AP Images/MATTHEW HATFIELD; ©Becky Brill. Image from BigStockPhoto.com; ©iStockphoto.com/Sally Wallis; ©iStockphoto.com/Oleksandr Gumerov; ©iStockphoto.com/Joanne Harris and Daniel Bubnich Passage 5: ©iStockphoto.com/Neta Degany; ©iStockphoto.com/Dean Bergmann; ©iStockphoto.com/Galina Barskaya; ©Jan Will. Image from BigStockPhoto.com Passage 6: ©iStockphoto.com/Ksenia Kozlovskaya; ©iStockphoto.com/Paul Tessier; ©PAUL EDWARDS. Image from BigStockPhoto.com; ©iStockphoto.com/Shelly Perry; ©iStockphoto.com Passage 7: ©iStockphoto.com/Dan Brandenburg; ©AP Images/AMR NABIL; ©Triangle Images, Getty Images; ©iStockphoto.com/roberta casaliggi; ©iStockphoto.com/Rich Vintage; ©George Doyle, Getty Images; ©iStockphoto.com/Tom Marvin; ©iStockphoto.com/Marketa Ebert Passage 8: ©iStockphoto.com/josh webb; ©AP Images/GEORGE NIKITIN; ©iStockphoto.com/James Pauls; ©Roger Viollet, Getty Images; ©iStockphoto.com/Michele Galli; ©iStockphoto.com/Alessandro Oliva Passage 9: ©AP Images/Associated Press; ©iStockphoto.com/Hubert Inabinet; ©AP Images/JEFF ZELEVANSKY; ©Jana Lumley. Image from BigStockPhoto.com; ©AP Images/DAMIAN DOVARGANES; ©STOCK4B, Getty Images; ©David Deas, DK Stock, Getty Images Passage 10: ©iStockphoto.com/Kiyoshi Takahase Segundo; ©Staff, Getty Images; ©iStockphoto.com/Jan Couver; ©AP Images/KEVORK DJANSEZIAN; ©iStockphoto.com/Martin Valigursky; ©Andres Rodriguez. Image from BigStockPhoto.com; ©iStockphoto.com/Forest Woodward