Will Shortz Presents Hard Sudoku Volume 4: 200 Challenging Puzzles by Shortz, Will

The next in our new series of only the toughest puzzles for serious sudoku solvers Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep your mind sharp Features: - 200 hard puzzles- Big grids for easy solving- Introduction by legendary Puzzlemaster Will ShortzAuthor: Will ShortzPublisher: St. Martin's GriffinPublished: 09/18/2018Pages: 320Binding Type: PaperbackWeight: 0.48lbsSize: 7.10h x 5.00w x 1.00dISBN: 9781250198303About the AuthorWILL SHORTZ, puzzle editor of The New York Times since 1993, also founded and directs the annual American Crossword Puzzle Tournament and the World Puzzle Championship. He is the Puzzlemaster for NPR's "Weekend Edition Sunday." Shortz lives in Pleasantville, New York.