| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Doctor's Little Book of Answers: 600 Medical Answers Everyone Should Know | 978-0-7615-0325-5 (0-7615-0325-0) | 1996 | Celia Brown |
| Heart of Darkness Unauthorized Secrets | 978-0-7615-0548-8 (0-7615-0548-2) | 1998 | |