3 etsivää ja kummalliset kissat
| Book | The Secret of the Crooked Cat |
| Publisher | Gummerus |
| Translated by | Kati Appelqvist |
| Copyright Holder | Random House, Inc. |
| Foreword by | Alfred Hitchcock |
| Printed by | K. J. Gummerus Osakeyhtiön kirjapaino |
| Series | The Three Investigators |
| Cover Artist | Matti Louhi |
| Format | Hardback |
| Language | Finnish |
| Location | Finland |
| Printed | 1976 |
| First Printing | 1970 |
| Copyright | 1970 |
| Pages / Font | 167 pages |
| ISBN | 951-20-1213-8 |
| YKL (Finnish) | N8453 |
Added by Gumby74