| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| German Super Pack: German Approach to English | 978-2-7005-8049-5 | 2014 | Gudrun Römer · Kerstin Pfeiffer |
| German with Ease | 978-2-7005-0527-6 | 2011 | |
| L'allemand | 978-2-7005-1806-1 | 2015 | |
| Superpack El Aleman | 978-2-7005-8028-0 | 2011 | |