| title | media type | | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| A Covert Agenda: The British Government's UFO Top Secrets Exposed | Paperback | | 978-1-931044-70-7 | 2004 |
| Alien Viruses: Crashed UFOs, MJ-12, & Biowarfare | " | | 978-1-4909-2914-9 | 2013 | Dr. Robert M. Wood |
| Assassinations: The Plots, Politics, and Powers behind History-Changing Murders | " | | 978-1-57859-690-4 | 2020 |
| Behind The Flying Saucers -- The Truth About The Aztec UFO Crash | " | | 978-1-60611-020-1 | 2008 | Frank Scully · Sean Casteel · Material Supplied By Scott Ramsey · Stanton Friedman · Art Campbell |
| Body Snatchers in the Desert: The Horrible Truth at the Heart of the Roswell Story | " | | 978-0-7434-9753-4 | 2005 |
| Celebrity Secrets: Official Government Files on the Rich and Famous | " | | 978-1-4165-2866-1 | 2007 |
| Close Encounters of the Fatal Kind: Suspicious Deaths, Mysterious Murders, and Bizarre Disappearances in UFO History | " | | 978-1-60163-311-8 | 2014 |
| Contactees: A History of Alien-Human Interaction | " | | 978-1-60163-096-4 | 2009 |
| Darklore Vol. 1 | " | | 978-0-9757200-1-1 | 2007 | Daniel Pinchbeck · Lynn Picknett · Clive Prince · Robert Schoch · Michael Grosso · Loren Coleman · Susan Martinez |
| Darklore Volume 2 | " | | 978-0-9757200-6-6 | 2008 | Stephen E Braude |
| Darklore Volume 3 | Hardcover | | 978-0-9757200-8-0 | 2009 | Greg Taylor · Robert Bauval |
| Darklore Volume 3 | Paperback | | 978-0-9757200-9-7 | 2009 | Greg Taylor · Robert Bauval |
| Darklore Volume 4 | Hardcover | | 978-0-9807111-0-3 | 2009 | Greg Taylor · Robert Bauval |
| Darklore Volume 4 | Paperback | | 978-0-9807111-1-0 | 2009 | Greg Taylor · Robert Bauval |
| Die echten Men in Black | Gebunden | | 978-3-86445-241-3 | 2015 |
| Exposed, Uncovered, & Declassified: Lost Civilizations & Secrets of the Past | Paperback | | 978-1-60163-196-1 | 2011 | Michael Pye · Kirsten Dalley · Erich von Daniken · Philip Coppens · Frank Joseph · Oberon Zell-Ravenheart · Steven Sora |
| FINAL EVENTS and the Secret Government Group on Demonic UFOs and the Afterlife | " | | 978-1-933665-48-1 | 2010 |
| Hidden Headlines of Texas: Strange, Unusual, & Bizarre Newspaper Stories 1860-1910 | " | | 978-0-9762099-8-0 | 2007 | Chad Lewis |
| Intermediate States: The Anomalist 13 | " | | 978-1-933665-26-9 | 2007 | Theo Paijmans · Loren Coleman · Ulrich Magin · Mark Macy · Sharon Hill and Victoria Alexander · Cliff Willett and John Reppion · Gary Mangiacopra and Dwight Smith |
| Keep Out!: Top Secret Places Governments Don't Want You to Know About | " | | 978-1-60163-184-8 | 2011 |
| MAN-MONKEY - In Search of the British Bigfoot | " | | 978-1-905723-16-4 | 2007 |
| Memoirs of a Monster Hunter: A Five-Year Journey in Search of the Unknown | " | | 978-1-56414-976-3 | 2007 |
| Memorias de un cazador de monstruos/ Memoirs of a Monster Hunter | " | | 978-970-58-0331-4 | 2008 |
| Monster Diary: On the Road in Search of Strange and Sinister Creatures | " | | 978-1-933665-96-2 | 2012 |
| Monsters of Texas | " | | 978-1-905723-57-7 | 2010 | Ken Gerhard |
| On the Trail of the Saucer Spies: UFOs and Government Surveillance | " | | 978-1-933665-10-8 | 2006 |
| Round Trip To Hell In A Flying Saucer: UFO Parasites - Alien Soul Suckers - Invaders From Demonic Realms | " | | 978-1-60611-091-1 | 2011 | Timothy Green Beckley · Sean Casteel · Scott Corralles · Adam Gorightly · T Allen Greenfield · Arthur M. Mott · Brent Raynes |
| SCIENCE FICTION SECRETS: From Government Files and the Paranormal | " | | 978-1-933665-40-5 | 2009 |
| Secret Societies: The Complete Guide to Histories, Rites, and Rituals | " | | 978-1-57859-483-2 | 2017 |
| Strange Secrets: Real Government Files on the Unknown | " | | 978-0-7434-6976-0 | 2003 |
| The American Goliah - And Other Fantastic Reports Of Unknown Giants And Humongou Creatures! | " | | 978-1-60611-081-2 | 2011 | Timothy Green Beckley · scott corrales · Harold T. Wilkins |
| The Bigfoot Book: The Encyclopedia of Sasquatch, Yeti and Cryptid Primates | " | | 978-1-57859-561-7 | 2015 |
| The NASA Conspiracies: The Truth Behind the Moon Landings, Censored Photos , and The Face on Mars | " | | 978-1-60163-149-7 | 2010 |
| The Pyramids and the Pentagon: The Government's Top Secret Pursuit of Mystical Relics, Ancient Astronauts, and Lost Civilizations | " | | 978-1-60163-206-7 | 2012 |
| The Real Men In Black: Evidence, Famous Cases, and True Stories of These Mysterious Men and their Connection to UFO Phenomena | " | | 978-1-60163-157-2 | 2011 |
| There's Something in the Woods | " | | 978-1-933665-32-0 | 2008 |
| The Universe Wants to Play: The Anomalist 12 a Nonfiction Anthology | " | | 978-1-933665-14-6 | 2006 | Robert E. Bartholomew · Joseph M. Felser · Hilary Evans · Roger Hart · Gary Mangiacopra · Michael Schmicker · Dwight Smith |
| The World's Weirdest Places | " | | 978-1-60163-237-1 | 2012 |
| The Zombie Book: The Encyclopedia of the Living Dead | " | | 978-1-57859-504-4 | 2014 | Brad Steiger |
| Three Men Seeking Monsters: Six Weeks in Pursuit of Werewolves, Lake Monsters, Giant Cats, Ghostly Devil Dogs, and Ape-Men | " | | 978-0-7434-8254-7 | 2004 |
| Top Secret Alien Abduction Files: What the Government Doesn't Want You to Know | " | | 978-1-938875-16-8 | 2018 |
| Uncanny Encounters: Roswell | " | | 978-0-9802086-9-6 | 2009 | Stephen Sullivan · Robert Vardeman · Jean Rabe · Jim Holloway |