Devious Sudoku: 200 Very Hard Puzzles -- Will Shortz

<p>Can you handle it? These sudoku puzzles are mind melting <p/>Includes: <br>-200 very hard puzzles<br>-Perfect portable size<br>-Edited by legendary <i>New York Times</i> crossword editor Will Shortz</p><br><br><b>Author:</b> Will Shortz<br><b>Publisher:</b> St. Martin's Griffin<br><b>Published:</b> 01/31/2012<br><b>Pages:</b> 320<br><b>Binding Type:</b> Paperback<br><b>Weight:</b> 0.45lbs<br><b>Size:</b> 7.00h x 4.90w x 1.00d<br><b>ISBN:</b> 9781250003980<br><p><b>About the Author</b><br><p><b>Will Shortz</b> has been crossword editor of<i> The New York Times </i>since 1993. He is also the puzzlemaster on NPR's<i> Weekend Edition Sunday </i>and the founder and director of the annual American Crossword Puzzle Tournament.</p></p>