Die ewige Prinzessin

The Constant Princess is a historical fiction novel by Philippa Gregory, published in 2005. The novel depicts a highly fictionalized version of the life of Catherine of Aragon and her rise to power in England. The novel covers the period from Catherine's arranged marriage to Arthur, Prince of Wales to Catherine's rivalry with Anne Boleyn over the position of Queen consort of England. Other historical figures depicted in the novel include Henry VII of England, Henry VIII, Elizabeth of York, Lady Margaret Beaufort, Isabella I of Castille, Ferdinand II of Aragon, Joanna of Castile, Henry, Duke of Cornwall, and Mary I of England.