Barkow, J. H., L. Cosmides, and J. Tooby. The Adapted Mind: Evolutionary Psychology and the Generation of Culture, Oxford University Press, 1992. An excellent introduction to this new hybrid field.

Clutton-Brock, T. and G. Parker: "Punishment in Animal Societies," Nature, vol. 373, pages 209–16, January 19, 1995. Aggression, evolutionary fitness, and altruism are examined in animal social groups.

Dawkins, R.: The Selfish Gene, Oxford University Press, New York, 1976. An accurate and entertaining account of the behavioral ecologist’s view of behavior.

deWaal, F.: Good Natured: The Origin of Right and Wrong in Humans and Other Animals, Harvard University Press, Cambridge, MA, 1996. Can we trace our moral values to our primate ancestors? Provocative answers to this question.

Godfray, H.: "Evolutionary Theory of Parent-Offspring Conflict," Nature, vol. 376, pages 133–38, July 13, 1995. Early conflicts between parents and offspring apparently serve as substantial influence on the development of subsequent animal behavior. Authorities are not in agreement about the "evolutionary theory of this conflict," and this paper does a good job of presenting a summary of the prevailing theories.

Halliday, T.: Sexual Strategy, University of Chicago Press, 1982. A colorful, broad-based treatment of animal reproduction.

Holldobler, B. and E.O. Wilson: The Ants, Harvard University Press, Cambridge, MA, 1990. A Pulitzer Prize winning tour-de-force of the evolution, ecology, and social biology of the most diverse groups of social species.

Horgan, J. "The New Social Darwinists," Scientific American, October, 1995, pages 174–181. A discussion of the advantages and disadvantages (political and scientific) of applying evolutionary theory to humans.