Will Shortz Presents Hard Sudoku Volume 2: Hard Sudoku, cartea 2

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