Download or read book Will Shortz Presents Dangerous Sudoku: 200 Very Hard Puzzles written by Will Shortz and published by St. Martin's Griffin. This book was released on 2011-07-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third book in a series of difficult sudoku puzzles, this volume features 200 of the most devious puzzles ever created! Features: · 200 mind-melting puzzles! · Edited by legendary New York Times crossword editor Will Shortz · Portable and affordable package