"Trevor is an expert on zombies. In fact he's a zombie buster. When his class takes a field trip to an aquarium, the evil scientist Dr. Brainium turns the students into radio-controlled zombies. Only Trevor can rescue them, but first he has to escape an army of psycho penguins"--T.p. verso.When Trevor's class takes a field trip to an aquarium, the evil scientist Dr. Brainium turns the students into radio-controlled zombies, but Trevor, an expert on zombies, can rescue them if he can only escape an army of psycho penguins.