"A boy must team up with a group of quirky aliens to save Earth"--

"Sky’s life in Area 51 is full of surprises. Like the fact that aliens are real—and now one is her best friend! But the biggest surprise yet comes when Sky learns that her grandmother has been kidnapped and is stuck in Area 52, the only other alien portal on Earth. Even more bananas? Her grandma has been an undercover FBAI agent for YEARS. Like Sky’s whole entire life. How could Sky not have known her grandma had a secret identity? Uncle Anish...

Everyone's favorite space boy, Hilo, is just settling into life on earth (Bowling? Knock-knock jokes? OUTSTANDING!) when strange portals begin opening up all over town. And HOLY MACKEREL! Even STRANGER creatures are coming through them! But it will take more than a GIANT MUTANT CHICKEN, A VIKING HIPPO, A MAGICAL WARRIOR CAT, or even a few MILLION KILLER VEGETABLES to stop Team Hilo ... er, WON'T IT? Can Hilo, DJ, and GINA figure out how to send these...