| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1978 |
|
The Castle of Dark | Macmillan UK | Novel | |
| October 1984 |
|
The Castle of Dark | Unwin Paperbacks | Novel | 7 |
| March 1986 |
|
Dark Castle, White Horse | DAW Books | Omnibus | 5 |
| December 2001 |
|
The Castle of Dark | Hodder Children's Books | Novel | |
| June 2014 |
|
The Castle of Dark | Gateway / Orion | Novel | |
| May 2022 |
|
Dark Castle, White Horse | DAW Books | Omnibus | |5 |