ABSTRACT
A Personal Introduction p. xiii (top) © David D. Chen; p. xiii (bottom) © Jeffrey A. Kottler. Chapter 1 p. 2 © Monkey Business Images/Shutterstock Images LLC; p. 15 Prehistoric Man Hunting Bears by Emmanuel Benner © The Gallery Collection/Corbis; p. 17 © Peter Kirillov/Shutterstock Images LLC; p. 21 © Chip Somodevilla/Getty Images News. Chapter 2 p. 28 © Shutterstock Images LLC; p. 30 © Cora Reed/Shutterstock Images LLC; p. 47 © Wallenrock/Shutterstock Images LLC. Chapter 3 p. 56 © Monkey Business Images/Shutterstock Images LLC; p. 58 © Greg Epperson/Shutterstock Images LLC; p. 65 © Levent Konuk/Shutterstock Images LLC; p. 68 © Baloncici/ Shutterstock Images LLC; p. 79 © Monkey Business Images/ Shutterstock Images LLC. Chapter 4 p. 84 © Suzanne Tucker/Shutterstock Images LLC; p. 88 © Shutterstock Images LLC; p. 99 © Bettmann/CORBIS; p. 108 © Dragan Saponjic/iStockphoto. Chapter 5 p. 114 © Irina Ovchinnikova/Shutterstock Images LLC; p. 118 © Blend Images/gettyimages; p. 120 © Sheldan Collins/ CORBIS; p. 127 ©Pascal Preti/Photonica/gettyimages.
