Jumping Coins, Cubes and Routes, Find the Polygons, and Distortrix: these are just a few of the incredible brain-twisting conundrums in this colorful, super-fun compilation by puzzle whiz Ivan Moscovich. Sample games give a hint of what’s to come and prime your mind for the challenges you’ll face. Inside a hexagon, a continuous path connects 19 different nodes: find that trail, navigating a series of pointing arrows and visiting each node only once. On the Rebound features tricky little problems involving a pool ball on a table and the best way to shoot it. A Piece of Cake is no piece of cake: arrange the segments so that no two colored or numbered ones touch another of the same color or number. You’ll think your brain really is twisted once you solve all of these.