Green Psychology: Transforming Our Relationship to the Earth

The Immortality Key: The Secret History of the Religion with No Name

The Well of Remembrance: Rediscovering the Earth Wisdom Myths of Northern Europe

Meditations

Maps of Consciousness: The Classic Text on Exploring the Mind and Expanding Awareness, Edition 3

Story of Philosophy

Overtones and Undercurrents: Spirituality, Reincarnation, and Ancestor Influence in Entheogenic Psychotherapy

The Autobiography of a Yogi

DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences

The Psychedelic Experience

Illusions: The Adventures of a Reluctant Messiah

Why?: What Your Life Is Telling You about Who You Are and Why You're Here

12-Step Workbook for Recovering Alcoholics, Including Powerful 4Th-Step Worksheets: 2015 Revised Edition

Giordano Bruno: Philosopher/Heretic

Dropping Acid: A Beginner's Guide to the Responsible Use of LSD for Self-Discovery

Sri Guru Teg Bahadur Ji: On 400th Birth Celebrations of Sri Guru Teg Bahadur Ji - 9 World Languages

Autobiography of a Spiritually Incorrect Mystic

The Joyous Cosmology: Adventures in the Chemistry of Consciousness

Psilocybin: Magic Mushroom Grower's Guide: A Handbook for Psilocybin Enthusiasts

Karl Marx: A Nineteenth-Century Life