Andrew M. Colman is Professor of Psychology at the University of Leicester and is a Fellow of the British Psychological Society. He graduated from the University of Cape Town, where he was appointed to his first lecturing position, and he then lectured at Rhodes University be-fore moving to Leicester. His previous publica- rions include more than 150 journal articles and several books, among which are Facts, Fal-lades and Frauds in Psychology (1987), Game Theory and its Applications in the Sodal and Biological Sci-ences (2nd edn, 1995), and What is Psychology?(3rd edn, 1994). He edited the Routledge Com-panion Encyclopedia of Psychology (1994) and the12-volume Longman Essential Psychology series(1995).