More than 1,150 Sudoku puzzles from easy to hard with solutions. There are 6 puzzles per page for easy reading. ✓ 384 Easy Puzzles ✓ 384 Medium Puzzles ✓ 384 Hard Puzzles There are so many benefits to solving Sudoku puzzles. Among them are: 1. Improving concentration 2. Stress reliever 3. Healthier mindset 4. Improving memory 5. Improving analytical skills 6. Improving logical thinking and much more.... Buy the Sudoku puzzle book today and enjoy hours of fun!