The Crusades, Christianity and Islam

God's Continent: Christianity, Islam, and Europe's Religious Crisis

Islam and Terrorism: What the Quran Really Teaches About Christianity,...

Men of a Single Book: Fundamentalism in Islam, Christianity, and Modern Thought

Swedenborg and Esoteric Islam

Christianity, Islam, and Atheism: The Struggle for the Soul of the West

The Battle for God: Fundamentalism in Judaism, Christianity and Islam

Islam and Politics