2012: The Return of Quetzalcoatl

Breaking Open the Head: A Psychedelic Journey into the Heart of Contemporary Shamanism

How Soon is Now: From Personal Initiation to Global Transformation

The Cosmic Serpent: DNA and the Origins of Knowledge

Exploring the Edge Realms of Consciousness: Liminal Zones, Psychic Science, and the Hidden Dimensions of the Mind

Food of the Gods: The Search for the Original Tree of Knowledge A Radical History of Plants, Drugs, and Human Evolution

Notes from the Edge Times

The Joyous Cosmology: Adventures in the Chemistry of Consciousness

The Doors of Perception and Heaven and Hell

Magicians of the Gods: Sequel to the International Bestseller Fingerprints of the Gods

Plants of the Gods: Their Sacred, Healing, and Hallucinogenic Powers