3 etsivää ja päätön hevonen
| Book | The Mystery of the Headless Horse |
| Publisher | Gummerus |
| Translated by | Annikki Lievonen |
| Copyright Holder | Random House, Inc. |
| Printed by | K. J. Gummerus Osakeyhtiön kirjapaino |
| Series | The Three Investigators |
| Format | Paperback |
| Language | Finnish |
| Location | Finland |
| Printed | 1983 |
| Copyright | 1977 |
| First Printing in Country | 1978 |
| Pages / Font | 187 pages |
| ISBN | 951-20-2454-3 |
| Edition No. | 3 |
| Price | 19,50 |
| YKL (Finnish) | N8453 |
Added by Gumby74