 The book is lavishly illustrated with photos, network diagrams, and analytical tables showing how very simple principles of cohesion and scalable alliances between families are able to organize this social system through a series of shifting articulations at a variety of social and spatial levels.Thus continual reshuffling is capable of moving, and does move individuals and groups in the society through a variety of transformations in relation to life problems, social problems, technological problems, and the transmission and enrichment of a highly complex cultural system.The book shows how these adjust dynamically to changing social conditions.