| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Open Door. Mrs Whippy: Textheft inklusive Vokabular | 978-3-06-031839-1 (3-06-031839-5) | 2006 | ||
| PS, I Love You | 978-0-00-716500-1 (0-00-716500-5) | 2004 | Cecelia Ahern | |
| Thanks for the Memories | 978-0-06-172901-0 (0-06-172901-9) | 2008 | ||