Agatha Christie was born in 1890 into a world which had its own rules about what women could and couldn't do. Lucy Worsley's biography is not just of an internationally renowned bestselling writer. It's also the story of a person who, despite the obstacles of class and gender, became an astonishingly successful working woman.

With access to personal letters and papers that have rarely been seen, Lucy Worsley's biography is both authoritative and entertaining and makes us realise what an extraordinary pioneer Agatha Christie was - truly a woman who wrote the twentieth century.