The Bigfoot Book
2015
Strange Secrets
2003
Zutritt streng verboten!
2014
Die Pyramiden und das Pentagon
2017
The Rendlesham Forest UFO Conspiracy: A Close Encounter Exposed as a Top Secret Government Experiment
2026
Flying Saucers from the Kremlin: UFOs, Russian Meddling, Soviet Spies & Cold War Secrets
2026
Men in Black: Personal Stories and Eerie Adventures (Unabridged)
2016
Cover-Ups & Secrets
2019
365 Days of UFOs: A Year of Alien Encounters (Unabridged)
2017
Mothman & Other Flying Monsters: Nuclear Nightmares & Armageddon (Unabridged)
2024
Close Encounters of the Fatal Kind : Suspicious Deaths, Mysterious Murders, and Bizarre Disappearances in UFO History
2017
The NASA Conspiracies : The Truth Behind the Moon Landings, Censored Photos , and The Face on Mars
2017