Aikuistumatta Paras! #11
| Series | Le Petit Spirou |
| Number | #11 |
| Publisher | Egmont Kustannus Oy |
| Date | 2003 |
| Type | Comic Book, Trade Paperback |
| Language | Finnish |
| Co-Author | Tome, Janry |
| Letterer | Aija Lahdentausta |
| Translator | Kaija Rekola-Salo |
| Copyright Holder | Dupuis |
| Genre | Humor |
| Published in | Finland |
| Pages | 46 |
| ISBN | 952-469-087-X |
| Notes | Original release: Le Petit Spirou: Tu ne s'ras jamais grand! |
Added by Ambassador_M