Table of Contents

Unit 1: Food and Health

Reading A: Sweet Love

Reading B: Food for the Future


Unit 2: Our Bond with Animals

Reading A: Song of the Humpback

Reading B: Dogs in a Human World


Unit 3: History Detectives

Reading A: Was King Tut Murdered?

Reading B: Who Killed the Iceman?


Unit 4: Traditions and Rituals

Reading A: Bride of the Sahara

Reading B: The Changing Face of Kung Fu


Unit 5: Urban Underworlds

Reading A: Under Paris

Reading B: New York’s Underside


Unit 6: Reef Encounters

Reading A: Cities Beneath the Sea

Reading B: The Truth about Great Whites


Unit 7: Sweet Scents

Reading A: The Flower Trade

Reading B: The Power of Perfume


Unit 8: Great Explorers

Reading A: Marco Polo in China

Reading B: The Travels of Ibn Battuta


Unit 9: Who We Are

Reading A: The Teenage Brain

Reading B: Seeing Double


Unit 10: Global Warming

Reading A: The Big Thaw

Reading B: Last Days of the Ice Hunters


Unit 11: Incredible Insects

Reading A: Army Ants

Reading B: Unexpected Beauty


Unit 12: Going to Extremes

Reading A: The Dream of Flight

Reading B: Dark Descent

About the Author

Paul MacIntyre earned his MA in TESL from Simmons College in Boston, Massachusetts. He has been an ELT professional for over 20 years. Paul has teaching experience in Japan and the United States, and as an editor participated in the development of numerous ELT courses for classrooms around the world. As a writer, he has contributed to various major course book and testing programs. For National Geographic Learning he is proud to have authored Reading Explorer 2, Reading Explorer 4, and most recently Pathways Listening and Speaking 4. David Bohlke has over 30 years of experience as a teacher, teacher trainer, program director, editor, and materials writer. He has lived and worked in Japan, Korea, Singapore, Australia, Saudi Arabia, and Morocco, and has conducted multiple teacher-training workshops in Asia, the Middle East, Latin America, Africa, and the Pacific. As an editor he has worked on some of the world’s best-selling ELT courses for teens and adults. For National Geographic Learning he has authored the series Time Zones, Keynote, and Reading Explorer. David holds an M.A. in Applied Linguistics/TESOL.