Murder on the Orient Express in the back pages of the UK first editions of "The Listerdale Mystery", "Why Didn't They Ask Evans", and "Parker Pyne Investigates" claimed that "Murder on the Orient Express" had proven to be Christie's best-selling book to date and the best-selling book published in the Collins Crime Club series. Murder on the Orient Express Murder on the Orient Express is a detective novel by British writer Agatha Christie featuring the Belgian detective Hercule Poirot. It was first published in the United Kingdom by the Collins Crime Club on 1 January 1934. In the United States, it was published on 28
Sleeping Murder the newspaper notice seeking her, which reinforces the story's setting in the 1930s as the author intended in her final revisions done in 1950. Christie’s original manuscript of "Sleeping Murder" was entitled "Murder in Retrospect" after one of the chapters in the book. When the Hercule Poirot novel "Five Little Pigs" was later serialized in the US in "Collier's Weekly" from September to November 1941, the magazine’s editing board retitled it "Murder in Retrospect". This was also the title used by Christie’s American publisher Dodd Mead and Company, presumably in order to capitalize on the recent US serialization. Christie's original