Onnenpäivät
| Publisher | Fanzine Oy |
| Publisher Series | Soundi-kirja |
| Printed by | Karisto Oy |
| Format | Hardback |
| Language | Finnish |
| Location | Finland |
| This Edition Published | 1990 |
| Pages / Font | 331 pages |
| ISBN | 951-9287-25-6 |
| Edition No. | 2 |
| Series Number | 33 |
Added by Gumby74