Will Shortz Presents Outrageously Evil Sudoku: 100 Deviously Difficult Puzzles

Sudoku fans everywhere have spoken and they are eager for more challenging puzzles.  This book of 100 mind-melting puzzles is for the bravest sudoku solvers!  Grab a pencil and match your wits against the hardest puzzles the Puzzlemaster has to offer.

 

Features:
· 100 super challenging puzzles
· Edited by legendary New York Times crossword editor Will Shortz
· Big grids with lots of space for easy solving