| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Science and Religion: Are They Compatible? | 978-1-59102-064-6 (1-59102-064-6) | 2003 | Paul Kurtz · Ranjit Sandhu |
| The UFO Invasion: The Roswell Incident, Alien Abductions, and Government Coverups | 978-1-57392-131-2 (1-57392-131-9) | 1997 | Kendrick Frazier · Joe Nickell |