Challenge yourself with our Sudoku Book, featuring over 300 puzzles. Each page contains 4 puzzles, perfect for those who are looking for a real brain workout. With a range of hard-level puzzles, this book is sure to test your logic and deduction skills. The book is great for experienced Sudoku solvers, who want to push themselves to the next level, and also for beginners who want to improve their problem-solving skills. Get ready to sharpen your mind and solve the puzzle with our Sudoku Book!