Showing all of 14 results for Thomas B. Roberts in All Products.

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  1. The Psychedelic Future of the Mind: How Entheogens Are Enhancing Cognition, Boosting Intelligence, and Raising Values  
  2. Spiritual Growth with Entheogens: Psychoactive Sacramentals and Human Transformation  
  3. Psychedelic Horizons (3/28/2006)

    List Price $34.90

    Publisher: Imprint Academic

    Format BN.comUsed/New from
    Paperback $28.18 (Save 19%) $27.25
  4. Psychoactive Sacramentals: Essays on Entheogens and Religion: 1st Edition (11/30/2001)

    List Price $17.00

    Publisher: Council on Spiritual Practices

    Format Used/New from
    Paperback $15.60
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