The Concept of Worship

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

Reasons and Faiths

On Guard: Defending Your Faith with Reason and Precision

Phenomenon of Religion

Living Buddha, Living Christ 20th Anniversary Edition

The Science of Religion and the Sociology of Knowledge: Some Methodological Questions

Wicca: A Guide for the Solitary Practitioner

The Yogi and the Devotee (Routledge Revivals): The Interplay Between the Upanishads and Catholic Theology

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

Religion and the Western Mind

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

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

Prophet of a New Hindu Age: The Life and Times of Acharya Pranavananda

Is the Bible God's Word?

Jerusalem: One City, Three Faiths

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

Northern Tradition for the Solitary Practitioner: A Book of Prayer, Devotional Practice, and the Nine Worlds of Spirit

Become What You Are: Expanded Edition