"The History of the Reign of Ferdinand and Isabella the Catholic" in 3 volumes is one of the best-known works by the American historian William Hickling Prescott. Isabella I (1451-1504) was Queen of Castile from 1474 and Queen consort of Aragon from 1479, reigning over a dynastically unified Spain jointly with her husband Ferdinand II (1452-1516). After a struggle to claim her right to the throne,...