Dimensions: A Casebook of Alien Contact (Unabridged)
2026
Revelations: Alien Contact Trilogy, Book 3 (Unabridged)
2026
Confrontations: A Scientist's Search for Alien Contact (Alien Contact Trilogy, Book 2) (Unabridged)
2026
The Messengers: Owls, Synchronicity and the UFO Abductee (Unabridged)
2024
Operation Trojan Horse: The Classic Breakthrough Study of UFOs (Unabridged)
2018
Our Haunted Planet (Unabridged)
2015