Multidisciplinary Association For Psychedelic

Secret Chief Revealed, Revised 2nd Edition: Conversations with Leo Zeff, Pioneer in the Underground Psychedelic Therapy Movement, Paperback/Myron J. Stolaroff

Psyche Unbound: Essays in Honor of Stanislav Grof, Hardcover/Richard Tarnas

The Way of the Psychonaut Vol. 2: Encyclopedia for Inner Journeys, Paperback/Stanislav Grof

The Way of the Psychonaut Vol. 1: Encyclopedia for Inner Journeys, Paperback/Stanislav Grof