| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Bertie's Gift: the heartwarming story of how the little dog with the biggest heart saves Christmas | 978-1-4736-4334-5 (1-4736-4334-1) | 2017 |
| Bertie's Gift: the perfect feel-good read! | 978-1-4736-4333-8 (1-4736-4333-3) | 2016 |