| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Ellie and the Harpmaker | Paperback | 978-0-7352-3807-7 (0-7352-3807-3) | 2019 |
| Ellie and the Harpmaker | Hardcover | 978-1-9848-0378-8 (1-9848-0378-6) | 2019 |
| How the Penguins Saved Veronica | Paperback | 978-0-7352-3810-7 (0-7352-3810-3) | 2020 |