55th Birthday Sudoku

Welcome to this superb collection of 100 brand new birthday 9x9 book of sudoku puzzles. Here are the rules of 9 x 9 sudoku: - Place each number from 1 - 9 exactly once in each row, column and 3x3 bold-lined box and the 2 grey 5's. All of our books are printed on very high quality paper, making the puzzle experience all the more enjoyable! For other puzzle books, visit our www.puzzle-book.co.uk page.