| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Potato Pals 1: Picture Cards | 978-0-19-439192-4 (0-19-439192-2) | 2004 |
| Potato Pals 2: Picture Cards | 978-0-19-439196-2 (0-19-439196-5) | 2005 |
J.K · Jason Kumar · Joachim Kummer · Jochen Kemner · Jochen Kühner · Jochen Kummer