| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1994 |
|
Inside the Worm | Yearling (UK) | Novel | |
| November 1996 |
|
Room 13 and Inside the Worm | Corgi Yearling | Omnibus | |
| October 2000 |
|
Inside the Worm | Corgi Yearling | Novel | |
| January 2007 |
|
Room 13 and Inside the Worm | Corgi Yearling | Omnibus | |
| November 2011 |
|
Room 13 And Inside The Worm | RHCP Digital | Omnibus | |
| March 2012 |
|
Inside The Worm | RHCP Digital | Novel | |
| October 2012 |
|
Inside The Worm | Yearling | Novel |