Barrons Educational Series · HarperCollins
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Lottie Potter Wants an Otter | 978-0-00-750133-5 (0-00-750133-1) | 2016 | Jeanne Willis |
| Whiffy Wilson The Wolf Who Wouldn't Go to Bed | 978-1-4380-0863-9 (1-4380-0863-5) | 2016 | Caryl Hart |
| Whiffy Wilson The Wolf Who Wouldn't Go to School | 978-1-4380-0620-8 (1-4380-0620-9) | 2015 | " |