| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Vocabulary Workshop Interactive Audio CD Pronunciation Program Level E Grade 10 | 978-0-8215-7660-1 (0-8215-7660-7) | 2002 |
| Vocabulary Workshop Interactive Audio Pronunciation Program Level B Grade 7 | 978-0-8215-7647-2 (0-8215-7647-X) | 2002 |