- C.S. Lewis and the Search for Rational Religion
- Superstition: Belief in the Age of Science
- The Reason Driven Life: What Am I Here on Earth For?
- A Plea for Rationalism
- Banished from Eden
- Darwin's Conflict with His Wife and God
- Meditation, Spirituality, Enlightenment?
- Proposing Weak Naturalism
- Reason in Politics: A Review of Al Gore's The Assault on Reason
- Religious Influence on Public Decision-Making
- The Fundamentalist and the Creator, or God Is an Atheist
- The Future's Not Ours to See