Waking Up: Searching for Spirituality Without Religion

Stuff Matters: The Strange Stories of the Marvellous Materials that Shape Our Man-made World

Free Will

What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions

Ham: Slices of a Life: Essays and Stories

The World as I See It

Making Sense: Conversations on Consciousness, Morality and the Future of Humanity

The Science Of Discworld II: The Globe

Letter to a Christian Nation

Science of Discworld III: Darwin's Watch

The End of Faith

Starry Messenger: Cosmic Perspectives on Civilization

The Journey: How to Live by Faith in an Uncertain World

Scripture Alone: Exploring The Bible's Accuracy, Authority and Authenticity

The Four Horsemen: The Conversation That Sparked an Atheist Revolution

The Science of Discworld IV: Judgement Day

Ideas and Opinions

So, You Want To Be Like Christ?: Eight Essentials to Get You There

Diagnosis: Solving the Most Baffling Medical Mysteries

Velvet Elvis: Repainting the Christian Faith