| Author/Contributor(s): | Shortz, Will |
| Publisher: | St. Martin's Griffin |
| Date: | 04/16/2013 |
| Binding: | Paperback |
| Condition: | NEW |
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 puzzles
Big grids for easy solving
Introduction by New York Times crossword editor Will Shortz