- The Psychology of Religion: An Empirical Approach
- The Psychology of Religious Fundamentalism
- Them That Believe: The Power and Meaning of the Christian Serpent-Handling Tradition
- Blood and Fire: Godly Love in a Pentecostal Emerging Church
- Dimensions of Mystical Experience: Empirical Studies and Psychological Links (International Series in the Psychology of Religion 11) (International Series in the Psychology of Religion)