Hercule Poirot available to solve mysteries at an English country house. At the time of Christie's writing, it was considered patriotic to express sympathy towards the Belgians, since the invasion of their country had constituted Britain's "casus belli" for entering World War I, and British wartime propaganda emphasised the "Rape of Belgium". Poirot first appeared in "The Mysterious Affair at Styles" (published in 1920) and exited in "Curtain" (published in 1975). Following the latter, Poirot was the only fictional character to receive an obituary on the front page of "The New York Times". By 1930, Agatha Christie found Poirot "insufferable", and, by
Death on the Nile expect great things of such a combination [of Agatha Christie and Hercule Poirot] and you will not be disappointed.". In "The Observer"'s issue of 14 November 1937, "Torquemada" (Edward Powys Mathers) started off by saying, "First this week comes Agatha Christie. She scored, I contend, two outers in her last three shots; but she is back on the very centre of the bull with "Death on the Nile"." He summarized the set-up of the plot and then continued, "Terrible things happen and, without the formality of breaking off her narrative to issue a challenge, the author allows Poirot to summarize