This is book number 6 in the Geronimo Stilton Graphic Novels series.
When Geronimo Stilton finds out that the Pirate Cats are going back in time to Venice in the year 1517, he knows they must be after one thing: The Mona Lisa! Geronimo and friends must travel to Renaissance Italy to stop the Pirate Cats from stealing the Mona Lisa and taking credit for what is arguably the world's most famous painting. But the Pirate Cats have an ace up their sleeve: someone in Geronimo's crew is an imposter!
Born in New Mouse City, Mouse Island, Geronimo Stilton is Rattus Emeritus of Mousomorphic Literature and of Neo-Ratonic Comparative Philosophy. He is the director of The Rodent's Gazette, New Mouse City's most widely read daily newspaper.
Stilton was awarded the Ratitzer Prize for his scoops on The Curse of the Cheese Pyramid and The Search for Sunken Treasure. He has also received the Anderson 2001 Prize for Personality of the Year. One of his bestsellers won the 2002 eBook Award for world's best ratling electronic book. In 2006 he won the Nickelodeon Kids Choice Awards and in 2008 he won the Cartoomics prize 'Beyond Comics'. His works have been published all over the globe.
In his spare time, Mr. Stilton collects antique cheese rinds. But what he most enjoys is writing books where he tells his fabmouse adventures!