Reveals how psychedelics can facilitate spiritual development and direct encounters with the sacred • With contributions by Albert Hofmann, Huston Smith, Stan

An exploration of how LSD influences imagination and the creative process. • Based on the results of one of the longest clinical studies of LSD that took plac

Sacred Knowledge is the first well-documented, sophisticated account of the effect of psychedelics on biological processes, human consciousness, and revelatory

In the 1960s, Americans combined psychedelics with Buddhist meditation to achieve direct experience through altered states of consciousness. As some practitione

Featuring essays and interviews with Timothy Leary, Aldous Huxley, Ram Dass, Albert Hofmann, Alexander (Sasha) Shulgin, Daniel Pinchbeck, Tim Robbins, Arne Naes