"De Oñate a La Granja" by Benito Pérez Galdós is a novel written in 1898. The third installment in the third series of the National Episodes, it contrasts "the two Spains" through opposing political factions during the First Carlist War. The narrative moves between Oñate, the absolutist pretender's court, and La Granja, where young Queen Isabel II resides under her mother's regency. Through romantic protagonist Fernando Calpena, Galdós explores political intrigue, including the dramatic fall of Prime Minister Mendizábal and the complexities of rival Spanish courts. (This is an automatically generated summary.)