Enjoy spot-the-difference photo challenges from the archives of LIFE magazine! Both books offer puzzles by level of difficulty: Novice, Master, Expert and Genius. Ultimate Picture Puzzles ups the challenge with “Cut-Ups”, featuring photos clipped in pieces and shuffled around. Amazing Picture Puzzles offers classic puzzles to keep your brain razor sharp. Both softcover, 176 pages with answers. 8" long x 10" wide.