* The Unlucky Astrologer and Other Stories (2006)
* Thomas W. Handford: A Life Lived at the Edge of the Impossible (2009)
* The Adventures of a Young Explorer: Exploring Your World by Land, Air, and Water (2012)
* The Complete Guide to the World of Pirates: Buccaneers, Raiders, and Swashbucklers (2012)
* The Complete Guide to the World of Spies: Spies, Saboteurs, and Secret Agents (2013)
* The Complete Guide to the World of Treasure Hunters: Treasure Hunters, Adventurers, and Explorers (2013)
* The Complete Guide to the World of Secret Societies: Secret Societies, Conspiracies, and Illuminati (2014)
* The Complete Guide to the World of Horror: Horror Movies, Books, and TV Shows (2014)
* The Complete Guide to the World of Science Fiction: Science Fiction Movies, Books, and TV Shows (2015)
* The Complete Guide to the World of Fantasy: Fantasy Movies, Books, and TV Shows (2016)
Articles
* "The Case for the Loch Ness Monster" (The Fortean Times, July 2007)
* "The Search for Bigfoot" (The Fortean Times, August 2007)
* "The Mystery of the Bermuda Triangle" (The Fortean Times, September 2007)
* "The Legend of Atlantis" (The Fortean Times, October 2007)
* "The UFO Phenomenon" (The Fortean Times, November 2007)
* "The Chupacabra: A New Terror?" (The Fortean Times, December 2007)
* "The Mothman Prophecies" (The Fortean Times, January 2008)
* "The Roswell Incident" (The Fortean Times, February 2008)
* "The Great Alien Abduction Wave of 1973" (The Fortean Times, March 2008)
* "The Rendlesham Forest Incident" (The Fortean Times, April 2008)