We thank the authors for their enthusiasm, their responses to our requests and suggestions, and their assistance as reviewers of other contributions. We are especially thankful to Marina Cords, Douglas Fry, Peter Verbeek, and Douglas Yarn for their input on the definitions of key terms presented in Appendix B. We are also grateful to Christopher Boehm, Robert Boyd, and Robin Dunbar, who served as external reviewers for some contributions, and to the anonymous reviewers of the original book proposal for valuable suggestions. We are greatly in debt to Jessica Flack for assisting with various editorial tasks. We also appreciate the help of Doris Kretschmer, Danielle Jatlow, Marilyn Schwartz, Nicole Hayward, Sam Rosenthal, and Alexandra Dahne at the University of California Press, and of Princeton Editorial Associates.
Acknowledgments by the individual contributors are listed below:
Chapter 2: Thanks to Thelma Rowell and Marina Cords for constructive comments, and for the support received from the National Institutes of Health (RR-00165) to the Yerkes Regional Primate Research Center.
Chapter 3: Thanks to Eric Snowden for the illustrations.
Chapter 4: Thanks to the dean and faculty of the College of Law at Georgia State University for their support, and to Filippo Aureli and Frans de Waal for introducing me to this intellectually stimulating field.
Box 4.1: Thanks to President and Mrs. Carter and the members of the International Negotiation Network for the rare privilege of working with and learning from them.