Originally published in 2004 ‘Sacred Mushroom of Visions: Teonanácatl’ is a relatively comprehensive sourcebook on the psilocybin mushroom. The book is edited by Ralph Metzner, who’s history with the psychedelic movement dates back to the Harvard Psilocybin Project. It contains contributions from a wide range of individuals and contains elements of science, theory, history and experiential accounts of the psilocybin experience.

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