In this book the author relates his distillation of almost five decades of research, psychotherapy, shamanic and yogic practices, as well as teaching experience, on the role of changing states of consciousness in psychological health and spiritual growth.[...]

The Psychedelic Experience, created by the prophetic shaman-professors Timothy Leary, Ralph Metzer and Richard Alpert, is a foundational text that serves as a model and a guide for all subsequent mind-expanding inquiries. In this wholly unique book, the authors provide an interpretation of an ancien[...]

Conversations About Leary, the Harvard Experiments, Millbrook and the Sixties.