SOME WORKS
- House of the Tiger King: The Quest for a Lost City
- Coach, Run, Win
- Inner Peace Outer Abundance
- Unafraid: Moving Beyond Fear-Based Faith
- Command and Control: Nuclear Weapons, the Damascus Accident, and the Illusion of Safety
- America Before: The Key to Earth's Lost Civilization
- Rare Objects
- Dead Man's Hammer
- From Here to There: The Art and Science of Finding and Losing Our Way
- How to Decide: Simple Tools for Making Better Choices