* The Demon and the Dance*
* The Island*
* The Kingdom of Lies*
* Kingdom Come*
* Shadow Man*
* The Sixth Extinction*
* The Space Between*
* The War Eternal*
* The White Apocalypse*
* Zero Hour*
Non-fiction
* 2012: The War for Souls*
* America: The Collapse*
* Atlantis: The Truth Behind the Legend*
* The Bigfoot Enigma: Unraveling the Mystery of Sasquatch*
* The Bermuda Triangle: Unveiling the Secrets of the World's Most Mysterious Region*
* The Chupacabra: A Cryptid History*
* The Loch Ness Monster: A Cryptid History*
* The Nazca Lines: A Cryptid History*
* The Philadelphia Experiment: A Cryptid History*
* UFOs: A Cryptid History*
* The Yeti: A Cryptid History*