Will Shortz Presents Black Diamond Sudoku: 200 Extreme Puzzles

ISBN-13:	9781250063427
Publisher:	St. Martin's Publishing Group
Publication date:	02/03/2015
Pages:	320
Sales rank:	111,564
Product dimensions:	4.90(w) x 7.00(h) x 0.90(d)

Watch out! These puzzles are for the most extreme solvers! But if you dare, grab a pen and take on these two hundred all-new extra challenging puzzles in Will Shortz Presents Black Diamond Sudoku.Features: - 200 hard puzzles- Big grids for easy solving- Introduction by legendary puzzlemaster Will Shortz