Mr. Egghead's Sudoku 1,000 Puzzles With Solutions: 500 Medium and 500 Hard in Bloomington, MN

Sudoku is a fun game which helps exercise the brain and also gives you a great sense of accomplishment. It is said that it can delay dementia by making your brain work in a different way. This giant book contains 1,000 puzzles, 500 medium difficulty and 500 hard, with 4 puzzles per page and solutions at the end. 8.5" X 11"