World Book's Learning LaddersTerrificTreesWORLDBOOKwww.worldbook.comWorld Book,Inc.180 North LaSalle StreetSuite 900Chicago,Illinois 60601USA2018 World Book,Inc.All rights reserved.This book may not be reproduced in whole or in part in any form withoutprior written permission from the publisher.WORLD BOOK and the GLOBE DEVICE are registered trademarks or trademarks of World Book,Inc.For information about other World Book publications,visit our website at www.worldbook.com or call1-800.WORLDBK(967.5325).For information about sales to schools and libraries,call 1-800-975-3250(United States);1-800-837-5365(Canada).Library of Congress Cataloging-in-Publication DataStaffExecutive CommitteeTitle:Terrific treesPresident:Geoff BroderickDescription:Chicago,IL:World Book,Inc.,a Scott FetzerVice President,Finance:Donald D.Kellercompany,.[2017刀|Vice President,Marketing:Jean LinSeries:World Book's leaming ladders Includes index.Vice President,Technology:Jason Dole1 dentifiers:LCCN2017034923|ISBN9780716679530Vice President,Customer Success:Jade LewandowskiSubjects:LCSH:Trees--Juvenile literature.Director,Editorial:Tom EvansClassification:LCC QK475.8.T47 2017 DDCDirector,Human Resources:Bev Ecker582.16-dc23LC record available at https://Iccn.loc.gov/2017034923EditorialWriter:Mellonee CarriganSenior Editor:Shawn BrennanWorld Book's Leaming LaddersManager,Indexing Services:David PofelskiSBN978-0-7166-7945-5(set,hc.)Proofreader:Nathalie StrassheimAlso available as:Digital1SBN978-0-7166-7963-9(e-book)Director,Digital Product Development:Erika MellerDigital Product Manager:Jonathan WillsPrinted in China by Shanghai Zhonghua Printing CO.,LTD2nd printing April 2021Graphics and DesignCoordinator,Design Development and Production:Brenda TropinskiSenior Visual Communications Designer:Melanie J.BenderMedia Researcher:Rosalia Bledsoe⊙Shutterstock4.6.7.8,10.12.1418.20,21,22,23.27,30.