Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

Cold-Case Christianity (Updated & Expanded Edition): A Homicide Detective Investigates the Claims of the Gospels

The Essential Rumi, New Expanded Edition

The Sacred Mushroom and The Cross: A study of the nature and origins of Christianity within the fertility cults of the ancient Near East

World Religions (2015): A Voyage of Discovery 4th Edition

Exploring the Religions of Our World

When God Was a Woman

The Power of Myth

Life and Teaching of the Masters of the Far East (6 Volume Set)

The Universe Next Door: A Basic Worldview Catalog