Geronimo Stilton Spacemice #6: The Underwater Planet

On a trip to the beach, Geronimo Stiltonix stumbles upon a mysterious treasure map! The spacemice follow it and end up on Aquarix, a planet that’s entirely underwater. During their voyage, they face fur-eating seaweed, ferocious piranha aliens and … pirate spacecats! Squeak! Can the spacemice avoid being eaten and stop the spacecats from stealing the treasure?

• Intergalactic spin-off from the Geronimo Stilton series

• Action, giggles, mysteries and fantastic colour artwork

• Fun design with highlighted words to boost vocabulary

• Best-loved series which quickly builds reading confidence