Far, far away, in the middle of the vast South Rat Ocean, lies an extraordinary island inhabited only by rodents—Mouse Island! This is the home of Geronimo Stilton, his family, and his friends, who always manage to pull him into the most unbelievable (yet endlessly amusing) adventures... just like the one you're about to read!
In his second book, Geronimo Stilton decides to publish the mysterious manuscript of the legendary Nostratopus. But when the cunning Sally Ratmousen steals it, a whirlwind of thrilling adventures begins!