Strangers or Co-Pilgrims?: The Impact of Interfaith Dialogue on Christian Faith and Practice

Wicca: A Guide for the Solitary Practitioner

Moving Beyond the Impasse: Reorienting Ecumenical and Interfaith Relations

Living Buddha, Living Christ 20th Anniversary Edition

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

On Guard: Defending Your Faith with Reason and Precision

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

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, Volume 2

Witchcraft: Theory and Practice

Is the Bible God's Word?

Common Prayer: A Liturgy for Ordinary Radicals

Sabedoria de Vida

Two Gurus One Message: The Buddha and Guru Nanak: Legacy of Liberation, Egalitarianism and Social Justice

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

Become What You Are: Expanded Edition

The Holy Science

Faith Is for Weak People: Responding to the Top 20 Objections to the Gospel