Will Shortz Presents Ferocious Sudoku: 200 Hard Puzzles
Are you tough enough? Take on this collection of 200 devilishly difficult sudoku puzzles! Includes: -200 hard puzzles-Perfect portable size-Big grids for easy solving
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Are you tough enough? Take on this collection of 200 devilishly difficult sudoku puzzles!Includes: -200 hard puzzles-Perfect portable size-Big grids for easy solving
