| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1993 | 978-1-881852-07-0 | F. W. Holiday | Serpents of the Sky, Dragons of the Earth |
| 1996 | 978-1-881852-14-8 | Bob Pratt | Ufo Danger Zone: Terror & Death in Brazil |
| 1997 | 978-1-881852-15-5 | Cynthia Hind | Ufos Over Africa |