Sudoku Large Print 400 Puzzles Easy to Hard

Sudoku Large Print 400 Puzzles Easy to Hard is a perfect funny Sudoku book for adults.
Would you like to improve your logical skills? Love hard Sudoku puzzles? Then you'll love this book! Why play Sudoku?
✓ Sudoku gives your brain the ultimate workout.
✓ It keeps you and your mind healthy and productive.
✓ It helps to maintain and improve your memory.
✓ It also can increase your concentration and focus.
400 enjoyable Sudoku puzzles Easy level: 132 puzzles Medium level: 132 puzzles Hard level: 136 puzzles Keeps your mind active and performing well. Suitable for all levels: beginner to expert