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

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

Green Psychology: Transforming Our Relationship to the Earth

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

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

The Psychedelic Experience