Are you ready for our master level brain exercises? You’ve accepted the challenges and won. Now, it’s time to move on to extremely hard Sudoku puzzles and find out what it is you’re made of. If you’ve grown tired of puzzles that are no longer challenging, this 8” X 10” book, filled with 600 expert level challenges, is just what you need to take your game a step further.
It has 12 sections with 50 puzzles each and an answer key, in case you need help. Are you ready for the most extreme level of Sudoku yet? Have you prepared to win the ultimate Sudoku battle? Is your brain amped for total mastery of the world’s most challenging puzzles? If so, we dare you to proceed with this book and prove just how far your brain will take you!