C.M. · Chowaniec Magdalena Kapusta Piotr · Kapusta Piotr Chowaniec Magdalena · Magdalena Chowaniec
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Fifteen minutes puzzles. Past Participle | 978-83-916427-9-5 (83-916427-9-8) | 2008 |
| Fifteen Minutes Puzzles Past Tense | 978-83-916427-5-7 (83-916427-5-5) | 2008 |