In the 1970s two of the most influential thinkers of the psychedelic era gathered what was then known about psilocybin botany and culture and presented it in Psilocybin: Magic Mushroom Grower's Guide. Writing under pseudonyms, the McKenna brothers provide
A thoroughly revised edition of the much-sought-after early work by Terence and Dennis McKenna that looks at shamanism, altered states of consciousness, and the organic unity of the King Wen sequence of the I Ching.
