If the moon is made of cheese, these mice will find a way to get there! When two hungry mice spot a giant yellow ball of cheese in the night sky, they get right to work building a rocketship so they can take a big bite out of that glowing full moon. After sailing through starry skies, the mice arrive at the feast of their dreams—and soon the moon isn't so full anymore! Simple, rhythmic text makes this a great read-aloud for future astronauts.

A #1 New York Times bestseller “This little mouse may well inspire some big dreams.” —Kirkus Reviews “A larger-than-life adventure.” —Publishers Weekly A heartwarming picture book tale of the power of the small from #1 New York Times bestselling author, US Senator, and retired NASA astronaut commander Mark Kelly and renowned illustrator C.F. Payne. Astronaut Mark Kelly flew with “mice-tronauts” on his first spaceflight aboard space shuttle Endeavour in 2001. Mousetronaut tells the story of a small mouse that wants nothing more than to travel to outer space. The little mouse works as hard as the bigger mice to show readiness for the mission . . . and is chosen for the flight! While in space, the astronauts are busy with their mission when disaster strikes—and only the smallest member of the crew can save the day. With lively illustrations by award-winning artist C. F. Payne, Mousetronaut is a charming tale of perseverance, courage, and the importance of the small!

When an evil professor begins threatening New Mouse City with terrible inventions, Geronimo Stilton is enlisted by local authorities to embark on a top-secret mission to outer space to thwart a nefarious plot. Original.

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 little mouse may well inspire some big dreams.” —Kirkus Reviews on Mousetronaut Meteor the mousetronaut returns to outer space in this exciting story from #1 New York Times bestselling author, US Senator, and retired NASA astronaut commander Mark Kelly and renowned illustrator C.F. Payne. 3-2-1…blast off! The smallest member of the team, a mouse named Meteor, is back on board and ready to come to the rescue on an interplanetary adventure! With lively illustrations by award-winning artist C.F. Payne, this charming new mousetronaut adventure will inspire imaginations of all sizes! Includes detailed scientific back matter.

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!

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! The on board computer on spaceship MouseStar 1, Hologramix, is out of order! To fix it, Geronimo Stiltonix must take it to a brilliant inventor who lives on a distant planet. But while Hologramix is being repaired, pirate spacecats attack, and steal it! Can the spacemice get Hologramix back before the spacecats turn it evil and set it against them?

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?