Beware Space Junk

Traveling to Cleanix to investigate why floating space junk has engulfed MouseStar 1, Geronimo finds that the planet's alien inhabitants are extremely wasteful and face the threat of rebellion by the robots they've thrown in the trash.

Spacemouse Geronimo Stiltonix's adventures are out of this world! MouseStar 1 is surrounded by floating space junk! It's yucky -- and dangerous. Geronimo Stiltonix tracks down the source of the junk, and meets very wasteful aliens. Even worse, robots that the aliens threw away have started to rebel! Can the spacemice restore harmony before the robots take over?

When the rodent residents of New Mouse City begin succumbing to stomachaches, hiccups and weird green warts, Geronimo Stilton and his detective friend, Hercule Poirat, race against time to investigate before they also fall ill. Simultaneous eBook.

Spacemouse Geronimo Stiltonix's adventures are out of this world! Each year on the Night of Dancing Stars, the elfix aliens distribute gifts to all the creatures of the galaxy. But this year, the holiday is fast approaching, and the spacemice discover that the elfix have all disappeared! Can Geronimo Stiltonix and his crew find them before their special night?

"This book examines the proliferation of space debris in outer space and discusses methods of retrieving and disposing of the material."--

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?

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?