Solving Sudoku is a lot of fun and very easy to learn. Have fun with this Sudoku book! Book features: �5x11 grid. 1 puzzle per page. �0 Sudoku 緿ifficulty level: Hard 縄ncluding all Solutions 縈any hours of fun! 縂reat gift for all new and "old" Sudoku fans!Did you know that sudoku trains the brain?Did you know sudoku is great option in free time?Click on "Buy Now" above and dive into the entertaining world of Sudoku Puzzles!