Additional information
by Will Shortz (Editor), Will Shortz (Introduction by)
This second book in the series is for savvy sudoku solvers who are looking for puzzles that are harder than hard.
Features:- 200 fearsome puzzles
- Edited by legendary New York Times crossword editor Will Shortz
- Portable and affordable package Also in the series:
-Will Shortz Presents Difficult Sudoku
-Will Shortz Presents Dangerous Sudoku
Author Biography
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.