Will Shortz Presents Hard Sudoku Volume 2: 200 Challenging Puzzles

The next in a new series: hard puzzles for serious sudoku solvers.

Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep your mind sharp!

Features:

- 200 hard puzzles

- Big grids for easy solving

- Introduction by legendary Puzzlemaster Will Shortz