| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Practical Computer Studies: Book 1 | 978-0-304-31004-3 (0-304-31004-2) | 1983 |
| Practical Computer Studies: Book 2 | 978-0-304-31024-1 (0-304-31024-7) | 1985 |
| Practical Computer Studies: Introductory Pack | 978-0-304-31343-3 (0-304-31343-2) | 1985 |