Will Shortz Presents the Huge Book of Hard Sudoku: 300 Challenging Puzzles By Will Shortz - Paperback

Can't get enough of Sudoku? This book is for you! It contains three hundred challenging and devilishly difficult Sudoku puzzles in a portable paperback. Features: - 300 hard Sudoku puzzles- Big grids for easy solving- Edited by legendary puzzlemaster Will Shortz