Ralph Metzner

The Psychedelic Experience

1965

Salvia Divinorum: A Western Approach

2022

★6.1

DMT: The Spirit Molecule

2010

★5.6

Peyote to LSD: A Psychedelic Odyssey

2008

★6.5

The Way of the Psychonaut

2020

★7.0

Neurons to Nirvana

2013

★7.0

LSD: Problem Child and Wonder Drug

2009

★5.6

Hofmann's Potion: The Pioneers of LSD

2002

★5.0

Entheogen: Awakening the Divine Within

2006

★7.0

Turn On, Tune In, Drop Out

1967

★7.0

Signs Out of Time: The Life of Archaeologist Marija Gimbutas

2004

★7.0

How To Go Out of Your Mind: The LSD Crisis

1966