480++ Sudoku: Hard Level for Adults all 9*9 Hard 480++ Sudoku Level: 12 | Sudoku Puzzle Books | Sudoku Puzzle Books Hard | Large Print Sudoku Puzzle Books for Adults | Sudoku Advanced (en Inglés)
Do you think you’re an expert at puzzles? Enjoy the century’s most addictive puzzle game. 80 pages.8.5 x 0.2 x 11 inches9*9 Medium HardGift this to your friend, family and teens to have a happy time with brain exercise.