Sam Alexander is a kid bound by the gravity of a small town -- and a father whose ridiculous, drunken fairy tales about a "Nova Corps" were just another heavy burden. But lucky for Sam, gravity soon won't even matter -- and those troubles will be a billion miles away. It's a boy, a helmet and an intergalactic legacy! As Sam trains with the Guardians of Galaxy's Gamora and Rocket Raccoon, the helmet leads Nova into intergalactic conflict that will...