Aikakoneen Salaisuus
| Format | Hardback |
| Language | Finnish |
| Printed | 1954 |
| Original Title | Another Space - Another Time |
| Original Language | English |
| Author | H. J. Campbell |
| Publisher | Nide Oy |
| Format | Hardback |
| Language | Finnish |
| Location | Finland |
| Printed | 1954 |
| Pages / Font | 152 pages |
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