Will Shortz Presents Hard Sudoku Volume 4: 200 Challenging Puzzles -- Will Short

<p><b>The next in our new series of only the toughest puzzles for serious sudoku solvers </b> <p/>Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep your mind sharp <p/>Features: <br>- 200 hard puzzles<br>- Big grids for easy solving<br>- Introduction by legendary Puzzlemaster Will Shortz</p><br><br><b>Author:</b> Will Shortz<br><b>Publisher:</b> St. Martin's Griffin<br><b>Published:</b> 09/18/2018<br><b>Pages:</b> 320<br><b>Binding Type:</b> Paperback<br><b>Weight:</b> 0.48lbs<br><b>Size:</b> 7.10h x 5.00w x 1.00d<br><b>ISBN:</b> 9781250198303<br><p><b>About the Author</b><br>WILL SHORTZ, puzzle editor of <i>The New York Times</i> 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.</p>