Are you tough enough? Take on this collection of 200 devilishly difficult sudoku puzzles! Includes: -200 hard puzzles-Perfect portable size-Big grids for easy solving
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.
Product Details
Paperback: 320 pages
Publisher: St. Martin's Griffin
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