"Three Sisters, Three Queens" is a historical novel by Philippa Gregory, first published in 2016. The novel tells the story of three Tudor sisters: Katherine of Aragon, Mary Tudor, and Margaret Tudor, who are respectively the first wife of King Henry VIII, the sister of King Henry VIII, and the wife of King James IV of Scotland.
The novel is primarily told from the perspective of Margaret Tudor, who is sent to Scotland to marry King James IV and becomes embroiled in the political intrigue of the Scottish court. Margaret struggles to maintain her position and protect her family's interests amidst shifting allegiances and power struggles.
The novel also explores the relationships between the three sisters, who are united by blood but often divided by political rivalries and personal differences. Katherine of Aragon and Mary Tudor both play significant roles in the novel, as they grapple with their own challenges and aspirations.
"Three Sisters, Three Queens" is a richly detailed work of historical fiction that vividly evokes the world of Tudor England and Scotland. It is notable for its exploration of the lives of women in a male-dominated world, as well as its portrayal of the complex relationships between siblings and between women who are both rivals and allies.