Helen Castor is a historian of medieval England, and a Fellow of Sidney Sussex College, Cambridge. Her first book, Blood & Roses, a biography of the fifteenth-century Paston family, was longlisted for the Samuel Johnson Prize in 2005 and won the English Association’s Beatrice White Prize in 2006. Her second book, She-Wolves, was made into a BBC2 tv series.
She lives in London with her husband and son.