Cold-Case Christianity: A Homicide Detective Investigates the Claims of the Gospels

On Guard: Defending Your Faith with Reason and Precision

Shiva: Stories and Teachings from the Shiva Mahapurana

Living Buddha, Living Christ 20th Anniversary Edition

This Is It: and Other Essays on Zen and Spiritual Experience

Wicca: A Guide for the Solitary Practitioner

The Art of Peace

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

Illuminati: The Secret Society That Hijacked the World (The History of One of the World's Most Notorious Secret Societies)

Proof of Heaven: A Neurosurgeon's Journey into the Afterlife

Buddhism: One Teacher, Many Traditions

A History of Religious Ideas, Volume 2: From Gautama Buddha to the Triumph of Christianity

The Case for a Creator: A Journalist Investigates Scientific Evidence That Points Toward God

Foundational Falsehoods of Creationism

Is the Bible God's Word?

Raja Yoga: Conquering the Internal Nature

The Varieties of Scientific Experience: A Personal View of the Search for God

Spiritual Science: Why Science Needs Spirituality to Make Sense of the World