ABOUT THE AUTHOR
Kathryn Hulick has been writing for children for 10 years. Her books include
Super-Awesome
Science: The Science of Dinosaurs
and
Animal Engineers: Coral Reefs
. She also writes articles
for
Muse
magazine and the Science News for Students website.
Copyright © 2019 by Focus Readers, Lake Elmo, MN 55042. All rights reserved. No part
of this book may be reproduced or utilized in any form or by any means without written
permission from the publisher.
Focus Readers is distributed by North Star Editions:
| 888-417-0195
Produced for Focus Readers by Red Line Editorial.
Content Consultant: Dr. Sherali Zeadally, Associate Professor, College of Communication and
Information, University of Kentucky
Photographs ©: Africa Studio/Shutterstock Images, cover, 1; MMXeon/Shutterstock Images,
4–5; Zapp2Photo/Shutterstock Images, 7, 12–13, 16–17, 27, 29; one photo/Shutterstock
Images, 8–9; Photodiem/Shutterstock Images, 11; KGC-268/Star Max/Ipx/AP Images, 15;
Alexzel/Shutterstock Images, 19; Joana Lopes/Shutterstock Images, 21; metamorworks/
Shutterstock Images, 22–23; Macrovector/Shutterstock Images, 25
Library of Congress Cataloging-in-Publication Data
Library of Congress Cataloging-in-Publication Data is available on the Library of Congress
website.
ISBN
978-1-64185-327-9 (hardcover)
978-1-64185-385-9 (paperback)
978-1-64185-501-3 (ebook pdf)
978-1-64185-443-6 (hosted ebook)
Printed in the United States of America
Mankato, MN
October, 2018
