"Tancredi" is a novel written by the Italian author Giuseppe Tomasi di Lampedusa. Published posthumously in 1963, it explores the themes of change and decay in Sicilian society during the 19th century. The story follows the life of Tancredi Falconeri, a young nobleman, as he navigates the political and social upheaval brought about by the unification of Italy. The novel is notable for its rich character development and vivid descriptions of the Sicilian landscape. It reflects the tensions between tradition and modernity, highlighting the struggles of the aristocracy in a rapidly changing world. "Tancredi" is often regarded as a significant work in Italian literature.