| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Byc rodzicem i nie skonac | Paperback | 978-83-280-0817-5 | 2014 |
| Byc rodzicem i nie skonac | Hardcover | 978-83-7747-838-7 | 2012 |
| Jak być leniwym | " | 978-83-7414-498-8 | 2008 |
| Jak byc wolnym | Paperback | 978-83-280-0830-4 | 2014 |
| Jak być wolnym? | " | 978-83-7414-686-9 | 2013 |
| Stary wspanialy swiat | " | 978-83-280-1576-0 | 2015 |