Book five in the intergalactic science-based chapter book series from New York Times bestselling author Wendy Mass and Michael Brawer! Archie Morningstar fights crime across the universe alongside his dad and Pockets the talking cat. In Archie's fifth adventure, Pockets is in a panic: all the tuna fish sandwiches on Akbar's Floating Rest Stop have been stolen! He thinks it's the fault of the irritating head of his alien fan club, but Archie suspects the mystery goes much deeper. Get ready for another thrilling and hilarious space adventure! Wendy Mass is the New York Times bestselling author of The Candymakers , Pi in the Sky, Every Soul a Star , Jeremy Fink and the Meaning of Life , and A Mango-Shaped Space . Michael Brawer spent 15 years as a teacher in New Jersey. An avid reader of science fiction, he has written curricula for courses on the subject. Wendy and Michael live with their family in New Jersey.