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 in the Clouds Death in the Clouds Death in the Clouds is a work of detective fiction by British writer Agatha Christie, first published in the US by Dodd, Mead and Company on 10 March 1935 under the title of Death in the Air and in UK by the Collins Crime Club in the July of the same year under Christie's original title. The US edition retailed at $2.00 and the UK edition at seven shillings and sixpence (7/6). The book features the Belgian detective Hercule Poirot, and Chief Inspector Japp. Hercule Poirot travels back to England on the midday flight from Paris