Will Shortz Presents Simply Sudoku: 150 Fast, Fun Puzzles

Simply put: If you haven’t already discovered the game that CNN calls “maddeningly addictive,” you’ll soon see for yourself that sudoku demands no mathematical skills. So get out your pencil (eraser optional!) and try solving these 150 puzzles from New York Times crossword editor and bestselling author Will Shortz. You’ll be a pro in no time!