Curtain: Poirot's Last Case is a work of detective fiction by Agatha Christie, first published in the UK by the Collins Crime Club in September 1975 and in the US by Dodd, Mead and Company later in the same year, selling for $7.95. It is the last novel published by Christie before her death, although Sleeping Murder, published posthumously, is her final novel. Neither was the last novel written by Christie.