Addison-Wesley · Prentice Hall
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Northstar Listening and Speaking | 978-0-13-114605-1 (0-13-114605-X) | 2004 | Kim Sanabria |
| Northstar Listening And Speaking High Intermediate | 978-0-201-75572-5 (0-201-75572-6) | 2003 | " |
| NorthStar Listening and Speaking, High-Intermediate DVD and Guide | 978-0-13-114614-3 (0-13-114614-9) | 2004 | " |