Ready to Level Up? The Sudoku Brown Belt Challenge The Sudoku Samurai's 240 Puzzles for Adults - Paperback

by Speedy Publishing (Author)

What is a Sudoku brown belt? Well, he is almost a number master. He is just one step to being able to solve complex Sudoku in record time. If you're a Sudoku brown belt who wants to become a Black Belt soon then this is the puzzle book for you. It has 240 puzzles to practice on so you get to spend a lot of time playing.