| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 2-In-1: The Instant Cholesterol and Fat Control System | 978-0-13-932088-0 (0-13-932088-1) | 1990 | F. M. Oppenheimer |
| Two in One: The Instant Cholesterol and Fat Control System | 978-0-13-545104-5 (0-13-545104-3) | 1990 | Fred Oppenheimer |