Ralph Metzner

Salvia Divinorum: A Western Approach

DMT: The Spirit Molecule

The Way of the Psychonaut

The Psychedelic Experience

Signs Out of Time: The Life of Archaeologist Marija Gimbutas

Hofmann's Potion: The Pioneers of LSD

Neurons to Nirvana

Peyote to LSD: A Psychedelic Odyssey

Turn On, Tune In, Drop Out

LSD: Problem Child and Wonder Drug

Entheogen: Awakening the Divine Within

How To Go Out of Your Mind: The LSD Crisis