Ralph Metzner

The Psychedelic Experience

LSD: Problem Child and Wonder Drug

DMT: The Spirit Molecule

Peyote to LSD: A Psychedelic Odyssey

Neurons to Nirvana

Salvia Divinorum: A Western Approach

The Way of the Psychonaut

How To Go Out of Your Mind: The LSD Crisis

Entheogen: Awakening the Divine Within

Hofmann's Potion: The Pioneers of LSD

Signs Out of Time: The Life of Archaeologist Marija Gimbutas

Turn On, Tune In, Drop Out