author : Helen CastorHelen Castor is a historian of medieval England and a Bye-Fellow of Sidney Sussex College, Cambridge. Her first book, Blood and Roses, was long-listed for the Samuel Johnson Prize and won the English Association’s Beatrice White Prize. Her second book, She-Wolves, was selected as one of the books of the year by The Guardian, The Sunday Times, The Independent, Financial Times, and BBC History Magazine. She lives in London.