| title | ISBN-13 (ISBN-10)  | year of publication | 
|---|---|---|
| Basic Accounting: The New Standard for Interactive Multimedia Learning | 978-1-878707-39-0 (1-878707-39-6)  | 1997 | 
| Differential Calculus: Supplement Your Course Work, Accelerate Your Learning, Enhance Professional Skills | 978-1-878707-38-3 (1-878707-38-8)  | 1997 | 
| Easy Statistics: Windows 3.1 & 95, Macintosh | 978-1-878707-37-6 (1-878707-37-X)  | 1997 |