Scramble Squares: Freshwater Fish
This one will really get you hooked. Easy to Play, but Hard to Solve is the motto for this  deceptively simple-looking puzzle. By the time you've become addicted and find yourself unable to solve  the thing, you'll realize it's not so much a motto as a warning. Nine colorfully illustrated cardboard  4-by-4-inch squares depict various unfinished images of brook trout, longear sunfish, sturgeon, and spotted  bass along their edges. The images must be matched and the nine squares arranged in a larger square. An  ingenious, elegantly executed puzzle idea, Scramble Squares will have you simultaneously blessing and  cursing its inventor.--Claire Dederer