The fourth novel in Andrew Wilson's Agatha Christie series, following A Talent for Murder, A Different Kind of Evil and Death in a Desert Land.

Andrew Wilson is the highly acclaimed author of biographies of Patricia Highsmith, Sylvia Plath and Alexander McQueen. His first novel, The Lying Tongue, was published in 2007. His journalism has appeared in the Guardian, the Daily Telegraph, the Observer, the Sunday Times, the Daily Mail and the Washington Post.