Geronimo Stilton and his friends travel back in time to Renaissance Italy on a quest to stop the Pirate Cats from stealing the Mona Lisa, but the mission is threatened by a traitor.
Geronimo Stilton, director of "The Rodent's Gazette, " travels back to prehistoric times in an effort to keep the Pirate Cats from bringing a giant Wooly Mammoth into modern-day New Mouse City.
Geronimo Stilton travels back in time to ancient Rome to stop the Pirate Cats from taking credit for building the Colosseum and infiltrating the Roman Senate.
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.
