| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Introducing Pet: Cassettes | 978-0-304-30971-9 (0-304-30971-0) | 1982 | Ann Limb |
| Introducing Preliminary English Tests | 978-0-304-30910-8 (0-304-30910-9) | 1982 | " |
| Introducing Preliminary English Tests: Tchrs' | 978-0-304-30911-5 (0-304-30911-7) | 1982 | " |