By turns thrilling, dramatic and touching, this is the story of Henry the Eighth and Catherine of Aragon's divorce as you've never heard it before - from the eyes of their daughter, Princess Mary.
More than anything Mary just wants her family to stay together; for her mother and her father - and for her - to all be in the same place at once. But when her father announces that his marriage to her mother was void and by turns that Mary doesn't really count as his child, she realises things will never be as she hoped.
Things only get worse when her father marries again. Separated from her mother and forced to work as a servant for her new sister, Mary must dig deep to find the strength to stand up against those who wish to bring her down. Despite what anyone says, she will always be a princess. She has the blood of a princess and she is ready to fight for what is rightfully hers.
Lucy Worsley is Chief Curator at Historic Royal Palaces, the independent charity that runs the Tower of London, Hampton Court Palace and other sites, which attract more than four million visitors a year. Lucy also presents history programmes for the BBC on topics including royal palaces and the court, such as Henry VIII's Six Wives, and Britain's Tudor Treasure with David Starkey.