| title | ISBN-13 | year of publication |
|---|---|---|
| Czarusia | 978-83-61824-38-1 | 2011 |
| Diabelek | 978-83-61824-25-1 | 2010 |
| Krol i mgla | 978-83-61824-56-5 | 2012 |
| Tajemnicze sprawy | 978-83-61824-04-6 | 2009 |
| Zaczarowane historie | 978-83-61824-18-3 | 2010 |
L. E. · L.M. · L. Maria · M.E · Maria Ewa Letki