mental_floss Sudoku: It's the Brain Candy You've Been Craving! in Bloomington, MN

Sudoku super-master Frank Longo and
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, the magazine for trivia lovers, bring fans a collection of superb puzzles sure to stimulate the brain. Longos puzzles are always top-notch, and because these increase in difficulty as the book goes along, theyre perfect for helping solvers build their skills.