product description
Train your brain with advanced-level Creative Brain Games Extreme Sudoku by John Pazzelli. The challenging puzzles in this book were developed by a Sudoku master to engage even the most adept Sudoku players. The variety of puzzles provides hours of fun and challenging entertainment to keep your mind working and your brain guessing. Number-based puzzles such as Sudoku are great for improving memory and building problem-solving skills. Give yourself a mental workout with these exciting Sudoku puzzles that are sure to exercise your brain and mind alike.