Did you know? There are 6,670,903,752,021,072,936,960 number of valid Sudoku puzzles! It’s not likely you will find a duplicated Sudoku in a puzzle book.
Our Sudoku books are large print, 8.5″ x 11″ in size. They are easy to read and provide a challenge that helps to keep your mind active. Exercise your brain today with our puzzle books.
Last update on 2020-09-22 / Affiliate links / Images from Amazon Product Advertising API