| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Christmas Sudoku For Kids: 100 Hard Sudoku Puzzles - Christmas Edition | 978-1-6957-5347-1 (1-6957-5347-X) | 2019 |
| Halloween Sudoku For Kids: Easy Sudoku Puzzles - Halloween Edition | 978-1-6970-5814-7 (1-6970-5814-0) | 2019 |