AGATHA CHRISTIE: LUCY WORSLEY ON THE MYSTERY QUEEN

iPLAYER DOCUMENTARY

Just how did the demure, refined young Ms Christie from Torquay turn into a worldrenowned writer whose capacity to invent brutal poisonings, macabre murders and labyrinthine plots seems to have been her life’s calling?

It’s a mystery worthy of Poirot himself… but to crack this case we have the equally refined historian Lucy Worsley (right). From Friday