"What in gouda is happening to New Mouse City? Thea Stilton is missing and someone has been burglarizing the most popular shops! Are the two connected? Geronimo, the famouse editor-in-chief of The Rodent s Gazette, is on the case. But Sally Ratmousen, the owner of the Daily Rat newspaper, thinks Thea is the thief! Can Geronimo and his family find Thea and clear her name?"--
