Axelrod, Robert. 1984.
The Evolution of Cooperation. Basic Books, Inc., New York. Describes
the now-classic computer tournaments that highlighted the importance
of reciprocity in the evolution of cooperation. Chapter 5 is a slightly
modified version of the award-winning paper by Axelrod and evolutionary
biologist William D. Hamilton.
Axelrod, Robert. 1997.
The Complexity of Cooperation: Agent-Based Models of Competition and
Collaboration. Princeton University Press, Princeton, New Jersey. A
collection of agent-based models, including extensions of the PD such
as a norms game.
Dawkins, Richard. 1989.
The Selfish Gene (2nd Edition). Oxford University Press, Oxford. Chapter
12 (Nice guys finish first) is a very good introduction to the topic.
Dugatkin, Lee A. 1991.
Dynamics of the tit for tat strategy during predator inspection in the
guppy (Poecilla reticulata). Behaviorial Ecology and Sociobiology,
Dugatkin, Lee A. 1997.
The Evolution of Cooperation. Bioscience, 47:355-362.
Dugatkin, Lee A. 1999.
Cheating Monkeys and Citizen Bees. Simon and Schuster Inc. New York.
Hofstader, Douglas R. 1983.
Computer tournaments of the Prisoner's Dilemma suggest how cooperation
evolves. Scientific American, 248(5): 16-26. An excellent
introduction to the topic from a more human-oriented perspective. Reprinted
as Chapter 29 in Hofstader's book Methamagical Themas.
Wilkinson, Gerald S. 1984.
Reciprocal food sharing in the vampire bat. Nature, 308:181-184.