Will Shortz Presents Killer Sudoku: 200 Hard Puzzles - Softcover

"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 puzzle-crazy nation is trying to slot numbers into small checkerboard grids." --Associated Press "Forget crosswords." --The Christian Science Monitor

Watch out! These puzzles are killer! But if you dare, grab a pen and take on these two hundred all-new extra-challenging Sudoku puzzles. Features: 200 hard puzzles Big grids for easy solving Introduction by legendary puzzlemaster Will Shortz