Ralph Metzner

Salvia Divinorum: A Western Approach

The Way of the Psychonaut

Neurons to Nirvana

DMT: The Spirit Molecule

LSD: Problem Child and Wonder Drug

Peyote to LSD: A Psychedelic Odyssey

Entheogen: Awakening the Divine Within

Signs Out of Time: The Life of Archaeologist Marija Gimbutas

Hofmann's Potion: The Pioneers of LSD

Turn On, Tune In, Drop Out

How To Go Out of Your Mind: The LSD Crisis

The Psychedelic Experience