Will Shortz Presents Sizzling Sudoku: 100 Very Hard Puzzles, Paperback/Will Shortz

Watch out--these sudoku puzzles are hot Features: 100 very hard puzzles Edited by legendary New York Times crossword editor Will Shortz Big grids with lots of space 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.