| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 2012 |
|
Voltrex the Two-Headed Octopus | Orchard Books (UK) | Chapbook | |
| April 2013 |
|
Voltrex the Two-Headed Octopus | Orchard Books (UK) | Chapbook | |
| 2020 |
|
Beast Quest: Series 10 | Orchard Books (UK) | Collection |