Since its original publication in 1980, this book has become a classic in transpersonal psychotherapy. This new edition contains articles by the major figures in the field, including new contributions by Stanislav Grof, John Nelson, Donald Evans, Charles Tart, Edward Hoffman, Seymour Boorstein, W. Michael Keane and Stephen Cope, Sylvia Boorstein, and Roger J. Woolger. The articles present a spectrum of widely diverse perspectives--from precise behavioristic work with attention training, through creative clinical pharmacology and theory development, to innovative use of chakra energies. The...