Extreme Sudoku Puzzle Book for Adults This great book contains 100 fun and Extreme Sudoku puzzles For Beginner. - GET yours TODAY. Relax with 200 Extreme Sudoku Puzzles! (2 puzzles on each page).Including instructions. Book size: 8.5x 11 inch Solutions at the back of the book The Sudoku puzzle book is the perfect gift for adults who love brain jogging and mental excercises. Then click on our brand and check the hundreds more custom options and top designs in our shop.