The following books and essays are available for free online. Explore the MAPS Store for more books.
History of Psychedelic Therapy
- Handbook for the Therapeutic Use of Lysergic Acid Diethylamide-25: Individual and Group Procedures
by D.B, Blewett, Ph.D., and N. Chwelos, M.D. (1959)
- LSD Psychotherapy (Russian translation) | (Hungarian translation)
by Stanislav Grof, M.D. (original copyright 1980; also available in English at maps.org/store)
- Remembrances of LSD Therapy Past
by Betty Grover Eisner, Ph.D. (2002). — PDF | ePub | Mobi
- LSD My Problem Child: Reflections on Sacred Drugs, Mysticism and Science
by Albert Hofmann, Ph.D.
Psychedelics and Culture
- Defending Perceptual Diversity in America: Entheogens as Legitimate Contributors to Learning, Health, and Empathy
by Brendan Bombaci (2012)
- Drugs & Mysticism: An Analysis of the Relationship between Psychedelic Drugs and Mystical Consciousness
by Walter Norman Pahnke. Ph.D. Thesis, Harvard University. (June 1963) (“The Good Friday Experiment”) Also available as a pdf
- Entheogenic Visions
by Stewart Mosher (2012).
- The Ethnopharmacology of Ayahuasca
edited by Rafael Guimarães dos Santos (2011).
(Also available as individual chapters and in magazine format.)
- Guided by the Moon: Shamanism and the Ritual Use of Ayahuasca in the Santo Daime Religion in Brazil.
by Edward McRae, PhD. Courtesy of the Núcleo de Estudos Interdisciplinares sobre Psicoativos (NEIP).
- The Sacred Voyage: The Pilgrimage to the Soul
by Lars Faber (2006)
- The Yage Drinker
by Fernando Payaguaje. (Donations will be forwarded to Pablo Yepez of the VIHOMA Foundation, who manages a small fund that supports Secoyas in need of medical treatment in Quito, Ecuador.)
- Ethnomycological Journals: Sacred Mushroom Studies
by John W. Allen and Prakitsin Sihanonth, Ph.D. (2020)
- The Doors of Perception and Heaven and Hell
by Aldous Huxley (1954, 2009)
- The Road To Eleusis: Unveiling the Secret of the Mysteries
by Carl A. Ruck, Albert Hofmann, R. Gordon Wasson, Jeremy Bigwood, Jonathan Ott, Carl A. P. Ruck, Huston Smith, and Danny Staples.
- Thanatos to Eros, 35 Years of Psychedelic Exploration
by Myron Stolaroff (1994)
- Through the Gateway of the Heart : Accounts of Experiences with MDMA and other Empathogenic Substances
edited by Sophia Adamson and Ralph Metzner (1985)