- SUDOKU pour adultes: niveau Difficile 1 grille par jour pendant les 365 jours de l'année Solution incluses.
- SUDOKU puzzles book for adults: Medium | 1 puzzle per day for the 365 days of the year | Solution included
- SUDOKU for adults: Easy, Medium, Hard & Extreme | 300 puzzles with instructions and solutions.
- SUDOKU puzzles book for adults: Hard | 1 puzzle per day for the 365 days of the year | Solutions included
- SUDOKU puzzles book for adults: Extreme | 1 puzzle per day for the 365 days of the year | Solutions included










