The Battle for God: A History of Fundamentalism

In Distant Lands: A Short History of the Crusades

Fields of Blood: Religion and the History of Violence

Unfollow: A Journey from Hatred to Hope, leaving the Westboro Baptist Church

Malleus Maleficarum - The Hammer of Witches

Racing Toward Armageddon

Life After Sister Wives: The Christine Brown Woolley Story: From Polygamy to Personal Freedom

Fundamentalism and American Culture: 2nd Edition

In the Skin of a Jihadist: Inside Islamic State’s Recruitment Networks

Among the Believers: An Islamic Journey

Beyond Belief: Islamic Excursions Among the Converted Peoples

Not in God's Name: Confronting Religious Violence

The Islamic Enlightenment: The Struggle Between Faith and Reason: 1798 to Modern Times (1st Ed.)

The God Desire

Letter to a Christian Nation

The Family

What We Talk About When We Talk About God

A Divine Revelation of Hell

Summa Theologica: Volume 3, Part 2 of Part 2 (Secunda Secundae)

The Prodigal God: Recovering the heart of the Christian faith