Discovering that the gift-distributing Elfix aliens have disappeared as the Night of Dancing Stars approaches, Geronimo Stiltonix and his spacemice crewmates race to find the missing aliens before the celebration is ruined.

"When Zeke Zander's spaceship crashes on Earth, he and his family must pretend to be humans until they can fix the ship and return home to Planet Z. But with antennae on their heads and a talking cat named Zeus, fitting in is easier said than done!" - Amazon

"Would you like a bite of frizzle frazzle hotchy potch? How about a plate of mushy gushy bloobarsh? NERP, says our hero. Nerpity nerpity nerp! (That's 'NO' to you!) With nonsense language and humorously expressive illustrations, this delightfully silly picture book tells the story of two picky eaters--one child, one pet--of indiscriminate species, a multitude of supposedly tasty goodies, and one surprising solution to a familiar childhood situation."...

Alien invasion? At the end of Revenge of the EngiNerds an alien appeared and it turns out he's the real deal. He explains he was sent to Earth as an envoy to scope things out for a planned massive, futuristic billboard-which will mean demolishing the planet! Here? On Earth? In their town? Not if the EngiNerds have anything to say about it. Time to save the day and the planet! --from goodreads.com

"When seventh grader Nicholas V. Landrew, his beloved pet gerbil Henrietta, and a package of ground beef are beamed aboard an alien space ship, they soon find themselves on the run in a madcap chase across the universe. Now all Nicholas wants to do is get back home before his parents find out and ground him forever, but with the Universal Police hot on his trail, that won't be easy. Before it's all over, Henrietta will find herself safely ensconced...