The Most Interesting Man in the World: Nikola Tesla (Unabridged)
2018
The Ghost of the Philadelphia Experiment Returns (Unabridged)
2014
Flying Saucer Fire and Fury: Aliens in the White House and Other Top-Secret Tales of Ufology - The Best of Gray Barker's Newsletter (Unabridged)
2018
Serpents of Fire: German Secret Weapons, UFOs, and the Hitler/Hollow Earth Connection (Unabridged)
2014
The Big Blackout: A True Tale of Ultraterrestrial Terror (Unabridged)
2019
The Stranger at the Pentagon: The Strange Case of Frank E. Stranges and Valiant Thor (Unabridged)
2024