Beyond Theology: The Art of Godmanship

Become What You Are: Expanded Edition

Psychotherapy East & West

Cold-Case Christianity: A Homicide Detective Investigates the Claims of the Gospels

The Two Hands of God: The Myths of Polarity

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

Behold the Spirit: A Study in the Necessity of Mystical Religion

Wicca: A Guide for the Solitary Practitioner

This Is It: and Other Essays on Zen and Spiritual Experience

No God but One: Allah or Jesus? (with Bonus Content): A Former Muslim Investigates the Evidence for Islam and Christianity

Nature, Man and Woman

On Guard: Defending Your Faith with Reason and Precision

What Is Tao?

A History of Religious Ideas, Volume 2: From Gautama Buddha to the Triumph of Christianity, Volume 2

Tao: The Watercourse Way: The Watercourse Way

Is the Bible God's Word?

Cloud-hidden, Whereabouts Unknown: A Mountain Journal

The Book on the Taboo Against Knowing Who You Are: On the Taboo Against Knowing Who You Are

The Religion of Tomorrow: A Vision for the Future of the Great Traditions - More Inclusive, More Comprehensive, More Complete