They Used Dark Forces
| First published | 1964 |
|---|---|
| Series | Gregory Sallust #10 |
| Publisher | The Book Club (UK) |
| Format | Hardcover |
| Type | Novel |
Information from listings on Abebooks
No ISBN on record — searching by title and author.
| Title | Year | Publisher | Format | Type | Catalog ID | Cover Artist | Pages | |
|---|---|---|---|---|---|---|---|---|
| They Used Dark Forces |
|
1964 | Hutchinson | Hardcover | Novel | 511 | ||
| They Used Dark Forces |
|
1966 | Arrow Books | Paperback | Novel | 891 | 511 | |
| They Used Dark Forces |
|
1969 | Arrow Books | Paperback | Novel | 511 | ||
| They Used Dark Forces |
|
1973 | Arrow Books | Paperback | Novel | 511 | ||
| They Used Dark Forces |
|
1973 | Heron Books | Hardcover | Novel | 503 | ||
| They Used Dark Forces |
|
1974 | Arrow Books | Paperback | Novel | 511 | ||
| They Used Dark Forces |
|
1977 | Arrow Books | Paperback | Novel | 511 | ||
| They Used Dark Forces |
|
1980 | Arrow Books | Paperback | Novel | 511 | ||
| They Used Dark Forces |
|
1991 | Mandarin | Paperback | Novel | Herb Schmitz | 511 | |
| They Used Dark Forces |
|
1995 | Mandarin | Paperback | Novel | Herb Schmitz | 511 |