Secret Agent Mole, book 1: Goldfish-Finger

Max is a mole on a mission. With Helen Hippo and June Bug by his side, Max must stop the evil Goldfish-Finger from stealing a priceless, solid gold fish-finger. This dangerous, top-secret mission will involve explosions, a naked mole rat, and being flushed down a giant toilet. Will Max and the team defeat the fiendish fish? Time to rock and mole!