The Flip: Epiphanies of Mind and the Future of Knowledge

Esalen: America and the Religion of No Religion

Encountering Kali: In the Margins, at the Center, in the West

The Serpent's Gift: Gnostic Reflections on the Study of Religion

Secret Body: Erotic and Esoteric Currents in the History of Religions

Roads of Excess, Palaces of Wisdom: Eroticism and Reflexivity in the Study of Mysticism

Changed in a Flash: One Woman's Near-Death Experience and Why a Scholar Thinks It Empowers Us All

Sand Talk: How Indigenous Thinking Can Save the World

The Shape of the Soul: What Mystical Experience Tells Us about Ourselves and Reality

LSD and the Mind of the Universe: Diamonds from Heaven