Inner Christianity: A Guide to the Esoteric Tradition (Unabridged)
2007
Inner Christianity: A Guide to the Esoteric Tradition (Unabridged) [Unabridged Nonfiction]
2007
The Truth About Magic
2026
Forbidden Faith
2026
The Age of Faith: The Climax of Christianity 1095-1300, From the Crusades Through Dante (Unabridged)
2024
A Brief History of God
2006