| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Sudoku Puzzle Books Large Print: Large Print The Must Have 2016 Easy, Medium to HARD Puzzles for Adult: Sudoku Puzzle book for sharpening concentration and reasoning skills | 978-1-53O9-4O32-5 (1-53O9-4O32-X) | 2016 |