Before he was a Guardian of the Galaxy, before the Grootfall, young Groot lived a life of tranquility on his serene home world. But when monstrous invaders attack his planet, Groot must accept his heroic destiny! Will this destiny lead him to come to blows with a young Kree soldier by the name of Mar-Vell? Aligned to Common Core Standards and correlated to state standards. Marvel Age is an imprint of Spotlight, a division of ABDO.