365 Days of UFOs: A Year of Alien Encounters (Unabridged)
2017
Bloodline of the Gods : Unravel the Mystery in the Human Blood Type to Reveal the Aliens Among Us
2016
The Black Diary: M.I.B, Women in Black, Black-Eyed Children, and Dangerous Books (Unabridged)
2024
The Bigfoot Book: The Encyclopedia of Sasquatch, Yeti, and Cryptid Primates (Unabridged)
2026
The Bigfoot Book: The Encyclopedia of Sasquatch, Yeti, and Cryptid Primates (The Real Unexplained! Collection)
2026
Mothman & Other Flying Monsters: Nuclear Nightmares & Armageddon (Unabridged)
2024