The Meaning of Happiness: The Quest for Freedom of the Spirit in Modern Psychology and the Wisdom of the East

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

Psychotherapy East & West

Living Buddha, Living Christ 20th Anniversary Edition

Beyond Theology: The Art of Godmanship

Wicca: A Guide for the Solitary Practitioner

On Guard: Defending Your Faith with Reason and Precision

The Book: On the Taboo Against Knowing Who You Are

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

The Way of Zen

Illuminati: The Secret Society That Hijacked the World (The History of One of the World's Most Notorious Secret Societies)

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

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

What Is Zen?

Is the Bible God's Word?

What Is Tao?

Cloud-hidden, Whereabouts Unknown: A Mountain Journal

Eastern Wisdom, Modern Life: Collected Talks: 1960-1969

The Lifetimes When Jesus and Buddha Knew Each Other: A History of Mighty Companions