The Doors of Perception and Heaven and Hell

The Divine Within: Selected Writings on Enlightenment

How to Change Your Mind: What the New Science of Psychedelics Teaches Us About Consciousness, Dying, Addiction, Depression, and Transcendence

The Psychedelic Explorer's Guide: Safe, Therapeutic, and Sacred Journeys

The Perennial Philosophy: An Interpretation of the Great Mystics, East and West

The Psychedelic Experience: A Manual Based on the Tibetan Book of the Dead (1964)

Brave New World

LSD My Problem Child: Reflections on Sacred Drugs, Mysticism and Science

The Philosophical Baby: What Children's Minds Tell Us About Truth, Love, and the Meaning of Life

LSD: Doorway to the Numinous: The Groundbreaking Psychedelic Research into Realms of the Human Unconscious

Microdosing Psychedelics: A Practical Guide to Upgrade Your Life