Su Doku--straight from its country of origin! This pocket-sized collection contains two hundred of the wildly popular Japanese number puzzles. Some of them come in the classic format--a grid that's 9x9, broken up into nine 3x3 boxes. Others feature complex and original formations, including X Sudoku, W Sudoku, and 4-layered Sudoku puzzles, designed to challenge the more experienced solver. With puzzles that range from easy to brainbusting, everyone can join in the fun. And that's bound to keep fans old and new busy and solving for hours on end.?
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