God's Undertaker: Has Science Buried God?

Earth's Earliest Ages

The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFOs, Evolution, Shamanism, the Rebirth of the Goddess, and the End of History

A Closer Look At The Evidence

Of Popes and Unicorns: Science, Christianity, and How the Conflict Thesis Fooled the World

Chemistry of the Blood

Science and Spiritual Practices: Transformative Experiences and Their Effects on Our Bodies, Brains, and Health

The Dark Tower: And Other Stories

Psychology Through the Eyes of Faith

Gunning for God: Why the New Atheists are missing the target