First Published in 1985. What is the place of reason and conversely of the unreasonable, the contradictory, the emotional and the chaotic in social life? What is the nature of general human rationality? Are there such things as incommensurable world views? How efficacious are typologies or 'modes of thought' or cognitive styles? These are some of the controversies addressed by the contributors to this volume which draws together papers from the 1984 Malinowski Centennial Conference of the ASA.