| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| One. Paperi | 978-88-9336-025-8 (88-9336-025-X) | 2016 | Marco Rincione |
| Paperi. PaperPaolo: 2 | 978-88-9336-004-3 (88-9336-004-7) | 2016 | " |
| PaperUgo. Paperi: 1 | 978-88-96275-89-4 (88-96275-89-X) | 2016 | " |