Daniele Verzini

Space mouse Geronimo Stiltonix and his crew must save their friends who are stranded on the ice planet Polarix, home to colorful fuzz ball-shaped aliens who are not as harmless as they look.

He is a spacemouse - the Geronimo Stilton of a parallel universe! He is captain of the spaceship MouseStar1. While flying through the cosmos, he visits distant planets and meet crazy aliens. His adventures are out of this world! -- Alien Escape -- Geronimo 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...

Discovering that the gift-distributing Elfix aliens have disappeared as the Night of Dancing Stars approaches, Geronimo Stiltonix and his spacemice crewmates race to find the missing aliens before the celebration is ruined.

Geronimo Stiltonoot wakes up to a terrible morning. Meteors are falling from the sky, and everyone in Old Mouse City has an awful stomachache! Geronimo must travel to the Cave of Memories to find the ancient shaman cure for his fellow cavemice. But dangers lurk on the journey -- can he make it back home safely?

"Geronimo Stiltonoot and friends have been invited to participate in a Stone Age treasure hunt! How fun! The one issue is that it has been set up by Gossip Radio host Sally Rockmousen, Geronimo's rival. Is it some sort of trick? The hunt is full of difficult riddles and very stinky dinosaurs... but nothing will stop Geronimo's team!"--Back cover.

It is up to the Thea sisters to investigate when an Ecuadorian chocolate factory known for its environmental practices begins malfunctioning and the owner suspects sabotage.

All the mammoths have fled Old Mouse City! It's a total cat-astrophe! Not only because mammoths are valuable allies of the cavemice, but also because without them, the cavemice can't make mammoth milkshakes, their delicious national drink. Geronimo Stiltonoot must embark on a daring journey to find the mammoths...and avoid going extinct before he gets back!

While at the beach, Geronimo Stilton 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! Can the spacemice keep the spacecats from stealing the treasure?

Geronimo Stilton's ancient ancestor, Geronimo Stiltonoot, and his family save a young dinosaur from the river. Can Geronimo get him back to his herd before he causes a disaster?