UFOs and Close Encounters: Interviews, Volume 1
2012년
The Watcher: Seven Hours Aboard a Spaceship with Valiant Thor (Unabridged)
2018년
Near to the Broken-Hearted: The Comfort of Jesus in the Grief of Losing a Child
2023년
The Pursuit: Reframing Purity as a Relationship, Not an Accomplishment (Unabridged)
2024년
Operation Cure Boredom (Unabridged)
2016년
Chased by Pandas
2022년