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ISBN
978-1-63235-539-3 (hardcover)
978-1-63235-604-8 (paperback)
978-1-63235-658-1 (ebook)
Library of Congress Control Number: 2018946709
Printed in the United States of America
Mankato, MN
June 2018
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About the Cover
Deepwater Horizon oil rig on fire, April 20, 2010.
