| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| German Advanced CD Language Course | 978-1-4053-0484-9 | 2004 | |
| German Book & CD | 978-0-7894-9498-6 | 2003 | |
| German In 3 Months | 978-1-4053-0101-5 | 2003 | |
| Hugo Advanced German | 978-1-4053-0481-8 | 2004 | |
| Hugo Complete German | 978-1-4053-0487-0 | 2004 | John Martin |
| Hugo German in 3 months | 978-0-7513-6995-3 | ||
B. M. · B Martin · S. B · S M · S. Martin
DK · DK Children · Dorling Kindersley