Genius Sudoku

200 extremely difficult, hair-tearing hand-created puzzles for the suodku fanatic!Sudoku fanatics will love this book! In fact, once they know about it, they won't be able to live without it for another day. Two hundred extremely difficult, hair-tearing puzzles at an irresistibly low price makes this a must-buy item for the legions of Sudoku fans who can't get enough challenging puzzles.