3 etsivää ja kauhujen linna
| Book | The Secret of Terror Castle |
| Publisher | Gummerus |
| Translated by | Laura Tetri |
| Copyright Holder | Random House, Inc. |
| Printed by | K. J. Gummerus Osakeyhtiön kirjapaino |
| Cover Artist | Matti Louhi |
| Foreword by | Alfred Hitchcock |
| Series | The Three Investigators |
| Format | Hardback |
| Language | Finnish |
| Location | Finland |
| Printed | 1975 |
| Copyright | 1964 |
| Pages / Font | 163 pages |
| ISBN | 951-20-0077-6 |
| YKL (Finnish) | N8453 |
| Edition No. | 3 |
Added by Gumby74