We Don’t Serve Maori Here: A Recent History of Maori Racism in New Zealand. Auckland, New Zealand: Bartholomew Publishing, 2021.
No Maori Allowed: New Zealand’s Forgotten History of Racial Segregation. Auckland, New Zealand: Bartholomew publishing, 2020.
Havana syndrome: Mass Psychogenic Illness and the Real Story Behind the Embassy Mystery and Hysteria. Co-authored with Robert W. Balho. Cham, Switzerland: Copernicus Books, 2020.
American Intolerance: Our Dark History of Demonizing Immigrants. Co-authored with Anja Reumschüessel. Amherst, New York: Prometheus, 2018.
A Colorful History of Popular Delusions. Co-authored with Peter Hassall. Amherst, New York: Prometheus, 2015.
American Hauntings: The True Stories Behind Hollywood’s Scariest Movies – From The Exorcist to The Conjuring. Co-authored with Joe Nickell. Santa Barbara, California: Praeger/ABC-CLIO, 2015.
Australia’s Forgotten Children: A Case Study of Educational Apartheid at an Aboriginal School. Pukekohe, New Zealand: Teachers with Integrity, 2012, 2013.
The Untold Story of Champ: A Social History of America’s Loch Ness Monster. Albany, New York: Excelsior Books (an imprint of the State University of New York Press), 2012.
The Martians Have Landed: A History of Media-Driven Panics and Hoaxes. Jefferson, North Carolina: McFarland Publishing, 2012.
Outbreak! The Encyclopedia of Extraordinary Social Behavior. Co-authored with Hilary Evans. Anomalist Books, 2009.
Bigfoot Encounters in New York & New England: Documented Evidence, Stranger Than Fiction. Co-authored with Paul Bartholomew. Vancouver, BC: Hancock House, 2008.
Panic Attacks: Media Manipulation & Mass Delusion. Co-authored with Hilary Evans. United Kingdom: Sutton Publishing, 2004.
Hoaxes, Myths, and Manias: Why We Need Critical Thinking. Co-authored with Benjamin Radford. Buffalo, New York: Prometheus Books, 2003.
Little Green Men, Meowing Nuns and Headhunting Panics: A Study of Mass Psychogenic Illness and Social Delusions. Jefferson, North Carolina: McFarland & Company, 2001.
Exotic Deviance: Medicalizing Cultural Idioms - From Strangeness to Illness. University Press of Colorado, 2000.
UFOs and Alien Contact: Two Centuries of Mystery. Co-authored with George S. Howard. Buffalo, New York: Prometheus Books, 1998.
Monsters of the Northwoods. Co-authored with Paul Bartholomew., Bruce G Hallenbeck, and William C Brann. 1991, 1992.