Will Shortz Presents Dangerous Sudoku : 200 Hard Puzzles

Will Shortz Presents Dangerous SudokuAuthor(s): Only the bravest sudoku solvers should take on this collection of all-new deviously difficult puzzles. This is the perfect collection to put your solving skills to the test!Features: 200 hard puzzlesBig grids for easy solvingIntroduction by New York Times crossword editor Will ShortzReview(s):“A puzzling global phenomenon” —The Economist“The biggest craze to hit The Times since the first crossword puzzle was published in 1935.” —The Times of London“England's most addictive newspaper puzzle.” —New York magazine“The latest craze in games” —BBC News“Sudoku is dangerous stuff. Forget work and family—think papers hurled across the room and industrial-sized blobs of correction fluid. I love it!” —The Times of London“Sudokus are to the first decade of the 21st century what Rubik's Cube was to the 1970s.” —The Daily Telegraph“Britain has a new addiction. Hunched over newspapers on crowded subway trains, sneaking secret peeks in the office, a puz