(Download) P.D.F Will Shortz Presents Survival of the Fittest Sudoku: 200 Hard Puzzles
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Download Will Shortz Presents Survival of the Fittest Sudoku: 200 Hard Puzzles
Watch out! These puzzles are mind melting!? But if you dare, grab a pen and take on these two hundred all-new extra challenging puzzles.Features: 200 hard puzzlesBig grids for easy solvingIntroduction by legendary puzzlemaster Will Shortz