| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 2007 |
|
Arcta the Mountain Giant | Orchard Books (UK) | Chapbook | |
| 2008 |
|
Arcta, Bezwinger der Berge | Loewe | Chapbook | |
| August 2009 |
|
Arcta the Mountain Giant | BBC Audiobooks | Chapbook | |
| November 2011 |
|
Idris, cawr y mynydd | Rily | Chapbook | |
| 2020 |
|
Arcta, Bezwinger der Berge | Loewe | Chapbook |