R. B ยท R. Birkett
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Dan and the Cat: Introductory Level Bk. 1 | 978-0-905858-70-8 (0-905858-70-0) | 1993 |
| So You Think You've Got Problems?: So, You Think You've Got Problems | 978-0-905858-85-2 (0-905858-85-9) | 1993 |
| Tap and Tag: Level 1 Bk. 1: Sounds Easy | 978-0-905858-78-4 (0-905858-78-6) | 1993 |