| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Laserjet Companion | 978-1-55615-356-3 (1-55615-356-2) | 1991 | Joseph R. Pierce · David A. Holzgang |
| Quattro Pro 3 Companion | 978-1-55615-455-3 (1-55615-455-0) | 1991 | Douglas Cobb · Stephen L. Nelson |
| Word for Windows companion | 978-1-55615-450-8 (1-55615-450-X) | 1992 | The Cobb Group · Alfred Poor |