| title | ISBN-13 | year of publication |
|---|---|---|
| Opus: Evaluation Pack 3 | 978-0-435-81257-7 | 2007 |
| Opus: Stud CDROM 1 | 978-0-435-81209-6 | 2004 |
| Opus: Student CDROM 2 | 978-0-435-81231-7 | 2004 |
| Opus: Student CDROM | 978-0-435-81251-5 | 2005 |
| Opus: Tea CDROM 1 3pk | 978-0-435-81214-0 | 2004 |
| Opus: Tea CDROM 2 3pk | 978-0-435-81236-2 | 2004 |
| Opus: Teachers CD 3 3pk | 978-0-435-81256-0 | 2005 |