Piinattu Planeetta
| Book | That Hideous Strength |
| Format | Hardback |
| Language | Finnish |
| This Edition Published | 1985 |
| Original Title | That Hideous Strength |
| Original Language | English |
| Author | C. S. Lewis |
| Publisher | Kirjayhtymä |
| Translated by | Matti Kannosto |
| Cover Artist | Piotr Tomaszewski |
| Printed by | WSOY:n graafiset laitokset, Juva |
| Series | Space Trilogy |
| Format | Hardback |
| Language | Finnish |
| Location | Finland |
| This Edition Published | 1985 |
| Pages / Font | 336 pages |
| ISBN | 951-26-2704-3 |
| YKL (Finnish) | 84.5 |
| Notes | "Suomennettu tekijän itsensä lyhentämästä versiosta" (= translated from the version abridged by the author himself.) |