Murder on the Orient Express is a work of detective fiction by Agatha Christie and first published in the UK by the Collins Crime Club on January 1, 1934 and in the US by Dodd, Mead and Company later in the same year under the title of Murder in the Calais Coach. The UK edition retailed at seven shillings and sixpence (7/6) and the US edition at $2.00. The book features the Belgian detective Hercule Poirot.