This book is a spin-off on the Geronimo series and is set in outer space. One may wonder what mere mice can do in space. Geronimo Stiltonix, the Geronimo Stilton of a parallel universe, will remove this doubt for you. The super cool captain of the spaceship MouseStar 1 has been travelling through the cosmos. He meets many bizarre aliens and has been visiting many planets. He has had several exciting adventures with many more to come. In Alien Escape, Stiltonix is very worried as he learns that his spaceship is going to explode. The only way to solve this problem is to change the engine batteries. For this, he needs to track down a rare element. He feels a sense of relief when a group of aliens volunteer to help him. However, there is doubt and Geronimo starts to wonder if the aliens are as friendly as they seem

Geronimo Stilton, a talking mouse, is a best-selling author living in New Mouse City. He works as a journalist and editor for The Rodent’s Gazette.

Geronimo Stiltonix is an alternate-universe version of his journalist self. He is a brave spacemouse whose adventures are out of this world!