Copyright ©
by Focus Readers, Lake Elmo, MN . 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:
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Produced for Focus Readers by Red Line Editorial.
Content Consultant: James Flaten, Associate Director of NASA’s MN Space Grant Consortium
and Contract Associate Professor, Aerospace Engineering and Mechanics Department,
University of Minnesota – Twin Cities
Photographs ©: guvendemir/iStockphoto, cover, ; Anton Martynov/Shutterstock Images,
–; John T. Daniels/Wright Brothers Negatives/Library of Congress, ; Rob Howarth/
iStockphoto, ; GordZam/iStockphoto, – ; NoPainNoGain/Shutterstock Images,
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joshanon/iStockphoto, ; santofilme/iStockphoto, – ; Flightlevel /iStockphoto, ;
narvikk/iStockphoto, ; floridastock/iStockphoto,
– ; Red Line Editorial,
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ISBN
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Library of Congress Control Number:
Printed in the United States of America
Mankato, MN
June,
ABOUT THE AUTHOR
Lisa J. Amstutz is the author of more than £ children’s books. Her work has appeared in
a variety of magazines as well. She specializes in topics related to science, nature, and
agriculture. Lisa and her family live on a hobby farm in rural Ohio.
