- Thornton's Luck: How America Almost Lost the Mexican-American War
- Out of Place in Time and Space: Inventions, Beliefs, and Artistic Anomalies That Were Impossibly Ahead of Their Time
- The Net After Dark
- Datapoint: The Lost Story of the Texans Who Invented the Personal Computer Revolution
- Lincoln's Planner: A Unique Look at the Civil War Through the President's Daily Activities