Cover Copy: Are you ready to give your brain a Troll-tastic workout? The Good Luck Trolls have come up with this book of fun games, mind-boggling puzzles, and Troll-riffic tests–just for you! It’s chock-full of brain-bending activities to keep you busy all day long. So put on your thinking cap, sharpen your pencil, and maybe even rub your favorite Troll’s hair for some extra good luck. You just might need it!