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...

A fictionalized account of the travels of Benjamin, a Jewish man from Tudela, Spain, who, in 1159, set out on a fourteen-year-long journey that took him to Italy, Greece, Palestine, Persia, China, Egypt, and Sicily.