Will Shortz Presents Mad for Sudoku: 200 Challenging Puzzles, Paperback/Will Shortz

Can't get enough sudoku? This book is for you It contains two hundred challenging to devilishly difficult sudoku puzzles in a portable trim. Includes: -200 hard puzzles -Perfect portable size -Edited by Will Shortz About the Author: WILL SHORTZ has been the crossword puzzle editor of The New York Times since 1993. He is also the puzzlemaster on NPR's Weekend Edition Sunday and is founder and director of the annual American Crossword Puzzle Tournament. He has edited countless books of crossword puzzles, Sudoku, KenKen, and all manner of brain-busters.