| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Czy mozemy sobie zaufac | 978-83-02-10232-5 (83-02-10232-6) | 2008 |
| Dlaczego dorosli klamia | 978-83-02-10231-8 (83-02-10231-8) | 2009 |
K.M. · Kamecki Marek · Kenji Murase · Kimiko Meyers · Konecki Marek · Konig Mark