| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Top Score! English: Pupil's Book 4 | 978-9966-885-32-6 (9966-885-32-3) | Ann Ward · Charles Kanja | |
| Top Score! English: Pupil's Book for Standard 2 | 978-9966-885-23-4 (9966-885-23-4) | Gail Porter · Charles Kanja | |
| Top Score! English: Teacher's Book 1-3 | 978-9966-945-11-2 (9966-945-11-3) | Gail Porter · Charles Kanja |