Salvia Divinorum: A Western Approach 2022

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The Way of the Psychonaut 2020

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Neurons to Nirvana 2013

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DMT: The Spirit Molecule 2010

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LSD: Problem Child and Wonder Drug 2009

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Peyote to LSD: A Psychedelic Odyssey 2008

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Turn On, Tune In, Drop Out 2007

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Entheogen: Awakening the Divine Within 2006

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Signs Out of Time: The Life of Archaeologist Marija Gimbutas 2004

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Hofmann's Potion: The Pioneers of LSD 2002

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How To Go Out of Your Mind: The LSD Crisis 1966

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The Psychedelic Experience 1965

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