Sudoku 1000 puzzles
Suitable for all levels: beginner to expert
LOTS of puzzles: 220 Easy, 390 Medium, 390 Hard
Expertly crafted with accurate skill levels
8.5"x11"-337 pages-Easy to check the answer
Here are the amazing benefits of playing Sudoku:
Improves your memory. Memory and logic work side-by-side when you are playing Sudoku.
Stimulates your mind.
Reduces the chances of developing Alzheimers by keeping your brain active.