| title | ISBN-13 | year of publication |
|---|---|---|
| Peace Love & Sudoku Easy: 200 Easy level of puzzles for Adults Each bookcover different puzzle, no repeat | 978-1-7085-7597-7 | 2019 |
| Peace Love & Sudoku Hard: 200 hard level of puzzles for Adults Each bookcover different puzzle, no repeat | 978-1-7086-7404-5 | 2019 |
| Peace Love & Sudoku Hard: 200 hard level of puzzles for Adults Each bookcover different puzzle, no repeat | 978-1-7104-0186-8 | 2019 |
| Peace Love & Sudoku Medium: 200 medium level of puzzles for Adults Each bookcover different puzzle, no repeat | 978-1-7086-6026-0 | 2019 |