| They Used Dark Forces | |
|---|---|
| Author(s) | Dennis Wheatley |
| Country | United Kingdom |
| Language | English |
| Genre(s) | World War II novel |
| Publisher | Hutchinson |
| Publication date | 1964 |
| Media type | Print (Hardback) |
| Pages | 511 pp |
| ISBN | 0749306777 |
| OCLC Number | 24669314 |
| Dewey Decimal | 823.912 |
| LC Classification | PZ3.W5592 Ti PR6045.H127 |
They Used Dark Forces is a World War II fictional novel by Dennis Wheatley. The hero, Gregory Sallust, finds himself in Nazi German and associated with a black magician who is advising Adolf Hitler. They supposedly persuade him to commit suicide rather than to fight to the last, in the belief that he will be reincarnated among a population of Aryan warriors living on Mars.