This book contains the lectures given at the NATO ASI 910820 "Cellular Automata and Cooperative Systems" Meeting which was held at the Centre de Physique des Houches, France, from June 22 to July 2, 1992. This workshop brought together mathematical physicists, theoretical physicists and mathe- maticians working in fields related to local interacting systems, cellular and probabilistic automata, statistical physics, and complexity theory, as well as...