| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1994 | 978-1-886095-00-7 | John Gray | Understanding Martian & Venusian |
| '' | 978-1-886095-01-4 | John Gray | Improving Communication |
| 1995 | 978-1-886095-05-2 | '' | Secrets of Great Sex (Secrets of Successful Relationships) |