| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| How to Learn and Study in College | 978-0-13-415059-8 | 1980 | |
| Understanding and Using Educate-Ability/Book and 2 Disks | 978-0-314-35388-7 | 1987 | Arthur A. Strunk |
| Understanding and Using Pc-Write | 978-0-314-30119-2 | 1987 | |
| Understanding and Using Shareware Application Software: Dos, Pc-Write, Pc-Calc/Expresscalc and Pc-File III | 978-0-314-72991-0 | 1988 | |