J.K · Jan Krzysztof Siejnicki · S.J. · S.K.
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Basnie Europy | Paperback | 978-83-245-2392-4 | 2013 |
| Basnie Europy | Flexibound | 978-83-245-9945-5 | 2012 |
| Ksiega bajek polskich | Hardcover | 978-83-245-7166-6 | 2012 |
| Ksiega bajek polskich | Paperback | 978-83-245-9794-9 | 2011 |
| Rymowanki naszego dziecinstwa | Hardcover | 978-83-63546-05-2 | 2012 |