4308325
9781932112450
Sudoku is the new number puzzle craze sweeping the nation, and Sudoku X is the only puzzle collection to add diagonal play to the Sudoku formula.Monckton, Christopher is the author of 'Sudoku X Book 1 The Only Puzzles With the "X" Factor', published 2005 under ISBN 9781932112450 and ISBN 1932112456.
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