Will Shortz Presents Terrifying Sudoku: 200 Diabolical Puzzles, Paperback

This volume features 200 of the most devious puzzles ever created
Features:
- 200 mind-melting puzzles
- Edited by legendary New York Times crossword editor Will Shortz
- Portable and affordable package

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.