Thea Stilton and The Chocolate Sabotage (Thea Stilton #19) is the nineteenth book of the Thea Stilton series. This series, penned by Elisabetta Dami, the author of another extremely popular series called Geronimo Stilton, revolves around the Thea sisters and their interesting and intriguing adventures.In this book, Thea Stilton, who is the sister of Geronimo Stilton and the special correspondent of Mouse Island's favourite newspaper The Rodent Gazette, is visiting her friend who runs a chocolate factory in Ecuador.