Shamanic Transformations: True Stories of the Moment of Awakening, Destiny Books, 2015

Shapeshifting: Techniques for Global and Personal Transformation (Destiny Books, 1997)

Signs in the Sky: The Astrological and Archaelolgical Evidence for the Birth of a New Age / Three Rivers Press, 2000

Sacred America, Sacred World: Fulfilling Our Mission in Service to All, Hampton Roads Publishing, 2016

Sacred Contracts: Awakening Your Divine Potential / Harmony Books, 2001

Sacred Mirrors: The Visionary Art of Alex Grey, Inner Traditions, 1990

Sacred Quest: The Evolution and Future of the Human Soul

Sage-ing While Age-ing, Atria Books, 2007

Science and Human Transformation: subtle Energies, Intentionality and Consciousness / Pavior Publishing, 1997

Science and the Near-Death Experience: How Consciousness Survives Death, Inner Traditions, 2010