Will Shortz Presents Treacherous Sudoku: Harder Puzzles
ISBN: , SKU: , AUTHOR: Shortz, Will, PUBLISHER: St. Martin's Griffin, This book 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 Tough Sudoku -Will Shortz Presents Terrifying Sudoku