Sudoku for the super-smart! Mensa members are known for their finely-honed logic skillsand thats just what it takes to become an expert at sudoku. So its no surprise that this organization for the highly intelligent has put together a huge collection of these sizzling-hot puzzlesa whopping 534 games to sate the obsessed solvers craving. They start out relatively easy for the newcomer, and get harder (and more fun!) as you go along.