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Geronimo Stilton #15: The Mona Mousa Code

Geronimo Stilton is the publisher of The Rodent’s Gazette, Mouse Island’s most “famouse” newspaper. No matter what dangers or mysteries await, he always gets the scoop! Thea hears that there is a secret map hidden beneath Mouse Island's most famous painting, the Monamouse, Geronimo knows they have to get the scoop!