mental_floss Sudoku: It's the Brain Candy You've Been Craving!
$ 59
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Delivery: 10-20 working days
mental_floss Sudoku: It's the Brain Candy You've Been Craving!
Sudoku super-master Frank Longo and mental_floss, the magazine for trivia lovers, bring fans a collection of superb puzzles sure to stimulate the brain. Longo's puzzles are always top-notch, and because these increase in difficulty as the book goes along, they're perfect for helping solvers build their skills.