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Vice President, Editorial, Sciences and Social Sciences: Charles Linsmeier

Vice President, Content Management: Catherine Woods

Publisher: Shani Fisher

Executive Editor: Carlise Stembridge

Developmental Editors: Jane Tufts, Bruce Kaplan

Media Editor: Lukia Kliossis

Editorial Assistant: Carlos Marin

Marketing Manager: Tom Digiano

Marketing Assistant: Alex Kaufman

Media Producer: Andrew Vaccaro

Director of Design, Content Management: Diana Blume

Cover and Text Designer: Kevin Kall

Photo Editor: Robin Fadool

Illustration Coordinator: Janice Donnola

Director, Content Management Enhancement: Tracey Kuehn

Managing Editor: Lisa Kinne

Senior Project Editor: Kerry O’Shaughnessy

Senior Production Supervisor: Stacey B. Alexander

Media and Supplements Project Editor: Edgar Doolan

Composition and Illustrations: MPS North America LLC

Printing and Binding: RR Donnelley


Cover Image: Krasyuk Volodymyr/Veer/Corbis


Library of Congress Control Number: 2015950248


ISBN-13: 978-1-4641-8702-5

ISBN-10: 1-4641-8702-9


© 2016, 2013 by Worth Publishers

All rights reserved.

Printed in the United States of America


First printing

Worth Publishers

One New York Plaza

Suite 4500

New York, NY 10004-1562


www.worthpublishers.com