The Invisible Planet Geronimo Stilton Spacemice 12

Geronimo discovers a planet on the radar that mysteriously appears and disappears. MouseStar 1 lands to investigate and they discover mysterious aliens who hide a secret!

Geronimo Stilton meets outer space in this cosmically fun spin-off series! Meet Geronimo Stiltonix:He is a spacemouse -- the Geronimo Stilton of a parallel universe! He is captain of the spaceship MouseStar 1. While flying through the cosmos he visits distant planets and meets crazy aliens. His adventures are out of this world!ALIEN ESCAPEGeroimo Stiltonix's spaceship is in danger of exploding! The only solution is to replace the engine's batteries by tracking down a rare element. When a group of mysterious aliens claim they can help, Geronimo is relieved. But are the aliens as friendly as they seem?

Geronimo discovers a planet on the radar that mysteriously appears and disappears. MouseStar 1 lands to investigate and they discover mysterious aliens who hide a secret!

Spacemouse Geronimo Stiltonix's adventures are out of this world! 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?

Upon discovering a planet that mysteriously appears and disappears, Geronimo Siltonix and his crew land the MouseStar 1 to investigate and they encounter a race of secret-keeping aliens.

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! It’s Karen’s special day!It’s Karen’s birthday! She can’t wait for all those presents. Karen is even having two parties -- one at Daddy’s house and one at Mommy’s. But what Karen really wants for her birthday is one party, with her whole family together. Will Karen’s birthday wish come true?

Fairies, dragons, wizards, and more await Geronimo on every magical Kingdom of Fantasy adventure! Geronimo’s fourteenth adventure in the Kingdom of Fantasy!I, Geronimo Stilton, was once again called to the Kingdom of fantasy!Blossom had been crowned Empress and harmony was restored to the land. But a dark shadow looms and threatens the empire! Blossom asked me to join her team and fight to keep the darkness from spreading. I am just a ‘fraidy mouse, but I couldn’t let my friend down. We joined forces with an unlikely bunch and set out on our mission. Can we outrun the shadow and bring peace to the Empire?

In this fun science fiction spin-off to the bestselling middle grade series, a mouse astronaut travels to an alien planet for a cosmic adventure. Meet Geronimo Stiltonix: He is a spacemouse—the Geronimo Stilton of a parallel universe! He is captain of the spaceship MouseStar 1. While flying through the cosmos he visits distant planets and meets crazy aliens. His adventures are out of this world! In You’re Mine, Captain! The MouseStar 1 is contacted by strange aliens whose ship has broken down! Geronimo Stiltonix is happy to help them out, and even accompanies them to their home planet Flurkon. But during his visit, the alien queen becomes enchanted by Geronimo—and wants to marry him! Will he be forced to stay on Flurkon forever? Praise for the Geronimo Stilton’s Spacemice series: “A wonderful science-fiction introduction for young readers.” —Kirkus Reviews Praise for Geronimo Stilton’s books: “Lightning pace and full-color design will hook kids in a flash.” —PUBLISHERS WEEKLY