Secret History
2015
Time Travel
2021
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
Diary of Secrets: UFO Conspiracies & the Mysterious Death of Marilyn Monroe (Unabridged)
2024
Men in Black: Personal Stories and Eerie Adventures (Unabridged)
2016
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
How Antigravity Built the Pyramids: The Mysterious Technology of Ancient Superstructures
2022
Top Secret Alien Abduction Files: What the Government Doesn’t Want You to Know
2018