Mutual Benefits at All Levels of Life

Genetic and Cultural Evolution of Cooperation. Peter Hammerstein, Ed. MIT Press, Cambridge, MA, 2003. 499 pp. $45, £29.95. ISBN 0-262-08326-4. In this volume, which grew out of a Dahlem Workshop, researchers from a wide range of fields--including biology, anthropology, economics, mathematics, political science, primatology, and psychology--discuss the origins, evolution, and cultural mechanisms of cooperation.