"After a vaccine accidentally creates superpowers in a small percentage of the population, seventeen-year-old Ciere, an illusionist, teams up with a group of fellow high-class, super-powered thieves to steal the vaccine's formula while staying one step ahead of mobsters and deadly government agents"--

Geronimo Stiltonix takes MouseStar 1's broken computer to a distant planet to be repaired by a brilliant inventor, but pirate spacecats attack and steal the device, and the spacemice must retrieve it before the machine can be turned against them.