High Quality Content by WIKIPEDIA articles! Valperga, or the Life and Adventures of Castruccio, Prince of Lucca is an 1823 historical novel by the Romantic novelist Mary Shelley.Mary Shelley's original title is now the subtitle; "Valperga" was selected by her father, William Godwin, who edited the work for publication between 1821 and February 1823. His edits emphasized the female protagonist and shortened the novel.Valperga is a historical novel which relates the adventures of the early fourteenth-century despot Castruccio Castracani, a real historical figure who became the lord of Lucca and conquered Florence. In the novel, his armies threaten the fictional fortress of Valperga, governed by Countess Euthanasia, the woman he loves. He forces her to choose between her feelings for him and political liberty. She chooses the latter and sails off to her death.