| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1989 | Room 13 | Doubleday (UK) | Novel | ||
| October 1990 |
|
Room 13 | Yearling (UK) | Novel | |
| November 1991 | Room 13 | Chivers Press | Novel | ||
| November 1996 |
|
Room 13 and Inside the Worm | Corgi Yearling | Omnibus | |
| October 2000 |
|
Room 13 | Corgi Yearling | Novel | |
| October 2000 | Room 13 | Yearling | Novel | ||
| January 2007 |
|
Room 13 and Inside the Worm | Corgi Yearling | Omnibus | |
| October 2011 |
|
Room 13 | RHCP Digital | Novel | |
| November 2011 |
|
Room 13 And Inside The Worm | RHCP Digital | Omnibus | |
| September 2020 |
|
Room 13 | Robert Swindells | Novel |