Paul L. Williams

The complete idiot's guide to the Crusades

The day of Islam

The complete idiot's guide to the lives of the saints

The Catholic Church's Message to United States Citizens of the Twenty-First Century

Dunces of Doomsday

Everything you always wanted to know about the Catholic Church but were afraid to ask for fear of excommunication

Faith and the Sources of Faith

House Plants

The moral philosophy of Peter Abelard

Afshā-yi Vātīkān

The Abelardian perspective

Al Qaeda