Taking Sudoku Seriously : The Math Behind the World's Most Popular Pencil Puzzle
Jason Rosenhouse
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Format: eBook (PDF)
Taking Sudoku Seriously : The Math Behind the World's Most Popular Pencil Puzzle
Jason Rosenhouse
Download Now
Format: eBook (EPUB)
Fifty Squares of Grey : The Spanking-New Sudoku Variant
Brainfreeze Puzzles
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Book (Paperback)