Geronimo Stilton Heromice #1: Mice to the Rescue!

Nothing is impossible for Geronimo Superstilton! He helps watch over Muskrat City, ready to fight evil at all costs. He is strong, he is invincible, he is fearless! He is one of the Heromice! Mice to the rescue Now that the terrible Tony Sludge has escaped from prison, it's up to Geronimo Superstition and the Hero-mice to defend Muskrat City from the notorious Sewer Rats and stop an enormous blackout! Will our heroes be able to defeat their enemies without risking their fur?