Sarah Gristwood is the author of four previous books of fifteenth- and sixteenth-century history: the Sunday Times bestseller Arbella: England’s Lost Queen; Elizabeth & Leicester; Blood Sisters: The Women Behind the Wars of the Roses; and the widely-translated Game of Queens. A former journalist, contributing to papers such as the Guardian and the Telegraph, she has also written a number of books on twentieth-century subjects. She features frequently at history festivals, and on radio and television discussing the past and present of Britain’s monarchy. @sarahgristwood