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Taking Sudoku Seriously: The Math Behind the World's Most Popular Pencil Puzzle by Rosenhouse, Jason; Taalman, Laura May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.