Are you ready to become a Sudoku master? Then the 100+ Hard to Extreme difficulty Sudoku Puzzles - is definitely for you Besides, whatever your level, you'll love this Sudoku puzzle book... the large print Hard collection edition Yes, the 100 puzzles of Hard to Extreme difficulty is a kind of the next stage for intermediate Sudoku players who want to gradually improve their skills from the medium stage to the Hard Sudoku mastery stage. However, these 100 Hard Sudoku Puzzles makes an excellent gift for any Sudoku master player, besides, it is perfect for any Sudoku enthusiast or just anyone interested to be a Sudoku player. Above and beyond that, you can even buy several copies and compete with your friends to see who can solve more puzzles as they learn the rope of the game to become a Sudoku master And now, before I forget, this puzzle book also comes with the solutions for every puzzle. But my advice is that you only check them when in any difficulty to finish any puzzle Now, I ask again... are you ready and good enough to become the next Sudoku master and finish every Sudoku puzzles? Then Buy Now and let's start