Download or read book Will Shortz Presents Tough Sudoku written by Will Shortz and published by Macmillan. This book was released on 2010-01-19 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Are you tough enough? Take on this collection of 200 devilishly difficult sudoku puzzles and find out! Includes: -200 hard puzzles -Perfect portable size -Edited by Will Shortz Also in the series: -Will Shortz Presents Tough Sudoku -Will Shortz Presents Terrifying Sudoku