While at 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 exploration, they face fur-eating seaweed, ferocious piranha aliens, and . . . pirate spacecats! Squeak! Can the spacemice keep the spacecats from stealing the treasure?
Age - 7 - 10Grade - 2 - 5Category - Chapter BookAuthor - Geronimo StiltonPublisher - ScholasticFormat - PaperbackPages - 128Dimension - 19.4 x 1.2 x 13.2
