Cleansing the Doors of Perception

"Here is an inquiry into the religious significance of consciousness-magnifying substances, by one of the leading religious thinkers of our time. In Cleansing the Doors of Perception, Huston Smith combines historical insight, personal experience, and an understanding of the cognitive sciences to produce the only comprehensive book written for the general public on the mysterious relation among entheogens, consciousness, and faith."--BOOK JACKET.