Club Earth — Gail Gauthier

Will and his brother Robby have met more than their share of aliens in the past. But their latest dinner guest, an alien named Saliva, makes them and their parents an offer they can't refuse. Their home is to be an intergalactic resort for space travelers: Club Earth. Will and Robby are thrilled. They'll be the only people on Earth having aliens sleep over. There's only one question: what happens when Club Earth's residents get tired of cleaning up after its guests?