Geronimo Stilton and his friends have to stop the pirate cats with a crazy scheme to bring mammoth back from the ice age.

Geronimo has to face his worst enemies, the pirate cats, who have discovered a way to travel back in time and change history.

It is feudal Japan of the first Tokugawa dynasty, and the Pirate Cats are trying to be assigned a specific fiefdom by the emperor. Why? You'll have to read this tale to find out - it will be a legendary romp, with Geronimo Stilton unwittingly becoming a legendary swordsman, Trap showing off his legendary appetite, and Thea Stilton accidentally inventing Kabuki theatre!

A plot by the Pirate Cats to turn an almost-complete Eiffel Tower in nineteenth-century Paris into a gigantic monument to Catardone's already monumental ego compels Geronimo to tap the scientific expertise of Ampy Von Volt and take to the skies.

When the Pirate Cats travel back in time to enter the first Olympic Games, they bring modern-age sports gear to improve their odds.