| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1990 | 978-0-9624840-0-1 | Michael Colgan | Prevent Cancer Now: Your Guide to Self Protection |
| '' | 978-0-9624840-1-8 | Michael Colgan | Prevent Cancer Now: Your Guide to Self Protection |
| 1993 | 978-0-9624840-5-6 | '' | Optimum Sports Nutrition: Your Competitive Edge |