The Tuttle Twins and the Miraculous Pencil (Unabridged)
2017
The Tuttle Twins and the Creature from Jekyll Island (Unabridged)
2017
Latter-day Responsibility: Choosing Liberty Through Personal Accountability (Unabridged)
2025
The Slow Stain: Lessons from the Past, Warnings for Today (Unabridged)
2025
The Tuttle Twins Guide to the World's Worst Ideas: The Tuttle Twins Guidebooks (Unabridged)
2025
The Tuttle Twins Guide to Inspiring Entrepreneurs (Unabridged)
2025