Download or read book Will Shortz Presents Dangerous Sudoku written by Will Shortz and published by St. Martin's Griffin. This book was released on 2013-04-16 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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