| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| New Treasury of English Assessment Activities and Answer Books 1,2,3,4 & 5: Assessment and Answer CD-ROM 6-11 | 978-1-84303-799-6 (1-84303-799-8) | 2005 |
| New Treasury of English - Textbook 4: Textbook Bk. 4 | 978-1-85276-020-5 (1-85276-020-6) | 1990 |
| New Treasury of English - Textbook 5: Textbook Bk. 5 | 978-1-85276-016-8 (1-85276-016-8) | 1990 |