Keep your eyes peeled! You love to challenge yourself with brainteasers of all kinds, but there's something special about picture puzzles. The photos are entertaining, the changes are subtle, and the vibrant images give your eyes a break from plain old back-and-white puzzles. Packed with 100 picture puzzles from easy to 'whoa!' this enjoyable guide gives you everything you need to sharpen your eyes and your brain-and have fun doing it! In it, you get- 100 puzzles for beginner through expert solvers Tons of color photos you'll love looking at to find the differences. 20 unscramble-the-picture and choose-which-one-is-different puzzles. A helpful answer key to see how well you did-or give you hints when you get stuck!