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Even though Geronimo Stilton isn't exactly known for taking risks, he can't always say no to adventure -- especially when he's invited to be the first time-traveling mouse! But Geronimo's invitation does come with a catch. Professor Paws von Volt doesn't just want him to observe the past; Geronimo must investigate what caused the dinosaur extinction. Will Geronimo solve one of history's greatest mysteries, or will this time-traveling mouse end up...

Geronimo Stilton travels back in time to ancient Rome, the great Mayan Empire and the palace of Versailles during the age of the Sun King, where he experiences wild historical adventures.

Professor von Volt plans to send Geronimo and his time traveling friends back to King Solomon's court to borrow a ring that supposedly will restore harmony to Mouse Island and balance the environment--but they soon find themselves taking an unplanned detour through Napoleon's court, a Viking village, and the Minotaur's labyrinth, before finally arriving before the wise King.

When Geromino Stilton and his friends time travel to three different centuries seeking artifacts missing from the mouseum, they meet Alexander the Great, Queen Cleopatra, Francis Drake, and Mozart.

When, in the process of testing his newest time machine, Professor von Volt accidently brings a triceratops, Helen of Troy, Attila the Hun, Charlemagne, and Christopher Columbus to present day New Mouse City, it is up to Geronimo and his friends to return them all to their own times and places--without being eaten by a T-Rex or skewered by Trojan warriors.

When pirate cats threaten Mouse Island, Professor von Volt sends Geronimo Stilton and his friends back through time to ancient Greece, Atlantis, and Stonehenge to try and find out how ancient civilizations were able to find peace and avoid war--only to find that the key to peace was under their whiskers the whole time.

Geronimo and his friends go back in time and race the Pirate Cats to be the first to the South Pole.

Traveling to 1896 Paris, Geronimo and his friends try to stop the Pirate Cats from stealing the first cinematograph, an invention that ushered in the age of motion pictures.

Geronimo Stilton is transported back in time to thirteenth-century China and attempts to stop the Pirate Cats from altering Marco Polo's book "The Travels of Marco Polo" and changing history.

Traveling to France during the reign of Louis XIII, Geronimo and his friends enlist in the "mouseketeers" only to discover that the mouse on the throne is an impostor and together they must find the real Louis.