third edition
ROBERT C. FEENSTRA
University of California, Davis
ALAN M. TAYLOR
University of California, Davis
Worth Publishers
A Macmillan Higher Education Company
Senior Vice President, Editorial and Production: Catherine Woods
Publisher: Charles Linsmeier
Associate Director of Digital Marketing: Scott Guile
Marketing Manager: Tom Digiano
Marketing Assistant: Tess Sanders
Senior Acquisitions Editor: Sarah Dorger
Development Editors: Jane Tufts and Bruce Kaplan
Associate Development Editor: Mary Walsh
Associate Media Editor: Lukia Kliossis
Director of Digital and Print Development: Tracey Kuehn
Associate Managing Editor: Lisa Kinne
Project Editor and Supplements Project Editor: Edgar Bonilla
Senior Designer, Cover and Interior Design: Kevin Kall
Photo Editor: Cecilia Varas
Photo Researchers: Ramon Rivera Moret and Eileen Liang
Production Manager: Barbara Anne Seixas
Supplements Production Manager: Stacey Alexander
Composition, Layout Designer, and Graphics: TSI Graphics
Printing and Binding: RR Donnelley

Cover Photo Credits: © Ocean/Corbis

Library of Congress Control Number: 2013957832

ISBN-13: 978-1-4292-7843-0
ISBN-10: 1-4292-7843-9

© 2014, 2008, 2012 by Worth Publishers

All rights reserved.

Printed in the United States of America

First printing


Worth Publishers
41 Madison Avenue
New York, NY 10010
www.worthpublishers.com