Spot the Differences: Animals: 50 Mind-Bending Photographic Puzzles

The lovely creatures come, two by two, in vividly beautiful photos: zebras with their black-and-white stripes; a green frog on a leaf edged with pink flowers; brilliantly blue peacocks with their feathers spread; tigers, tigers orange-bright in the jungle; and a host of other wildlife in the trees, the water, the forest, and sometimes lolling on the ground. It's a must for both animal and puzzle lovers.