| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Czy warto bylo? | 978-83-936637-1-2 (83-936637-1-7) | 2013 |
| Poradnik dla maturzystow i nie tylko czyli jak to napisac | 978-83-936637-2-9 (83-936637-2-5) | 2013 |
| Szczescie Joanny | 978-83-936637-3-6 (83-936637-3-3) | 2014 |