- The Secret Place of Thunder: Trading Our Need to Be Noticed for a Hidden Life with Christ
- Our Secular Age: Ten Years of Reading and Applying Charles Taylor
- The Possibility of Prayer: Finding Stillness with God in a Restless World
- One God in Three Persons: Unity of Essence, Distinction of Persons, Implications for Life
- 3-D Planets, Full Color 3-D with 3-D Glasses Inside