★ The 2021 Sudoku Puzzle Book For Adults is a collection of Sudoku Puzzles for each day of the year!
✓ Puzzle difficulty varies for each day of the year ensuring you get a daily challenge. This daily sudoku puzzle book for 2021 will keep your mind active.
- New sudoku puzzle for each day of the year (365 puzzles)
- 4 difficulty levels ranging from very easy to very hard
- Random difficulty level each day
- Large print Sudoku puzzles
- Bonus x10 Sudoku puzzles