Jerusalem: One City, Three Faiths

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

The Spiral Staircase: My Climb Out of Darkness

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

The Great Transformation: The Beginning of Our Religious Traditions

Wicca: A Guide for the Solitary Practitioner

The Lost Art of Scripture

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

Through the Narrow Gate: A Nun’s Story

On Guard: Defending Your Faith with Reason and Precision

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

Muhammad: Prophet for Our Time

Is the Bible God's Word?

A History of God

Islam

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

Fields of Blood: Religion and the History of Violence

Grimoire for the Green Witch: A Complete Book of Shadows

Muhammad: Biography of the Prophet