| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| A covert agenda: UFO secrecy exposed | Hardcover | 978-0-684-81937-2 | 1997 | |
| Cosmic Crashes | Paperback | 978-0-671-03306-4 | 2001 | |
| Cosmic Crashes | Hardcover | 978-0-684-85829-6 | 1999 | |
| Man-Monkey - In Search of the British Bigfoot | Paperback | 978-1-905723-16-4 | 2007 | Nick Redfern |
| On the Trail of the Saucer Spies: UFOs and Government Surveillance | " | 978-1-933665-10-8 | 2006 | |
| tajne archiwa FBI | Taschenbuch | 978-83-7245-629-8 | 2001 | |
| The F. B. I. Files: F. B. I.'s UFO Top Secrets Exposed | Paperback | 978-0-671-00533-7 | 1998 | |
| The FBI Files: The FBI's UFO Top Secrets Exposed | Hardcover | 978-0-684-86834-9 | 2000 | |
| The FBI Files: The FBI"s UFO Top Secrets Exposed | " | 978-0-684-81938-9 | 1998 | |
| Ukryte archiwa | Taschenbuch | 978-83-241-0206-8 | 1998 | |
| Ukryte archiwa | Gebunden | 978-83-7245-273-3 | 1998 | |
Amber · Anomalist Books · Scribners · Simon & Schuster · cfz