- *How to Catch Aliens:A Handbook for the Amateur Alien Hunter* (2010)
- *UFO-bibelen:En omfattende guide til utenomjordisk liv og fremmedkontakt* (2011)
- *Alien Abductions:The Real Truth* (2012)
- *The Roswell Incident:The True Story of the UFO Crash and Alien Encounter* (2013)
- *Area 51:The Secret History of America's Most Top-Secret Military Base* (2014)
- *The Montauk Project:The Top-Secret CIA Experiments in Time Travel and Teleportation* (2015)
- *The Philadelphia Experiment:The True Story of the U.S. Navy's Secret Time Travel Experiments* (2016)
- *Prosjekt blå bok:U.S. Air Force's Secret Investigation of UFOs* (2017)
- *The Secret Space Program:The Untold Story of America's Extraterrestrial Agenda* (2018)
- *The Greys:The Extraterrestrial Beings Who Are Here Among Us* (2019)
Artikler
- "UFO-sightings:The Truth Is Stranger Than Fiction," _The New York Times_, 15. april 2011
- "Alien Abduction:The Real Truth," _The Huffington Post_, 17. mai 2012
- "Roswell:The True Story of the UFO Crash and Alien Encounter," _The Washington Post_, 4. juli 2013
- "Area 51:The Secret History of America's Most Top-Secret Military Base," _The Los Angeles Times_, 11. september 2014
- "The Montauk Project:The Top-Secret CIA Experiments in Time Travel and Teleportation," _The Atlantic_, 18. november 2015
- "The Philadelphia Experiment:The True Story of the U.S. Navy's Secret Time Travel Experiments," _The Daily Mail_, 13. januar 2016
– «Project Blue Book:The U.S. Air Force's Secret Investigation of UFOs», _The Wall Street Journal_, 15. mars 2017
- "The Secret Space Program:The Untold Story of America's Extraterrestrial Agenda," _The New Yorker_, 14. mai 2018
- "The Greys:The Extraterrestrial Beings Who Are Here Among Us," _The Guardian_, 12. juli 2019