Awakening the Buddhist Heart: Integrating Love, Meaning and Connection Into Every Part of Your Life, Broadway books, 2000

Awakening: A Novel of Aliens and Consciousness, Greenwood Press, 2017

Bats Sing, Mice Giggle: The Surprising Science of Animals’ Inner Lives (with Jagmeet Kanwal), Totem Books, 2010

Beatles: Off the Record

Beauty, Wonder, and the Mystical Mind / Chrysalis Books, 1999

Becoming Psychic: Spiritual Lessons for Focusing Your Hidden Abilities (with Stephen Kierulff, Ph.D.), New Page Books, 2004

Before We Leave You: Messages from the Great Whales and the Dolphin Beings, North Atlantic Books, 2011

Between Two Ages: The 21st Century and the Crisis of Meaning / Xlibris Corp., 2000

Androgyny: The Opposites Within (Jung on the Hudson Book Series)

A Rain of Night Birds