Will Shortz Presents Survival of the Fittest Sudoku: 200 Hard Puzzles -- Will Shortz, Paperback

Watch out These Sudoku puzzles are not for the faint of heart But if you dare, grab a pen and take on these two hundred all-new extra-challenging puzzles in Will Shortz Presents Survival of the Fittest Sudoku.

Features:
200 hard puzzles
Big grids for easy solving
Introduction by legendary puzzlemaster Will Shortz

Author: Will Shortz
Publisher: St. Martin's Griffin
Published: 06/03/2014
Pages: 320
Binding Type: Paperback
Weight: 0.46lbs
Size: 7.26h x 4.96w x 0.84d
ISBN: 9781250049278

About the Author

Will Shortz has been crossword editor of The New York Times since 1993. He is also the puzzlemaster on NPR's Weekend Edition Sunday and the founder and director of the annual American Crossword Puzzle Tournament.