Slavson, a pioneer who began his work in group therapy during the 1930's, has more than anyone else stimulated and aided in the use and growth of group psychotherapy in every type of clinical setting in this country, and even throughout the world. As a teacher and supervisor, he helped to train many of the important workers in the field.

As he states in the Introduction 'the present volume is an attempt to organize systematically the outcome of fifty years of experimentation and observation with various types of groups in and out of clinical settings, thirty years of which were spent in the latter'. His small groups and 'several thousand' patients in every kind of setting have included children, adolescents, and adults with almost every type of disturbance.

This book covers practically everything related to group psychotherapy. Some chapters deal with biological, cultural, and social