| title | ISBN-13 | year of publication |
|---|---|---|
| Relax and Learn French (Audio CD and Booklet) | 978-0-07-162226-4 | 2009 |
| Relax and Learn Italian (Audio CD and Booklet) | 978-0-07-162214-1 | 2009 |
| Relax and Learn Portuguese | 978-0-07-162218-9 | 2009 |
| Relax and Learn Spanish (Audio CD and Booklet) | 978-0-07-162222-6 | 2009 |