Hercule Poirot met his lifelong friend, Captain Arthur Hastings, and solved the first of his cases to be published, "The Mysterious Affair at Styles". It is clear that Hastings and Poirot are already friends when they meet in Chapter 2 of the novel, as Hastings tells Cynthia that he has not seen him for "some years". Particulars such as the date of 1916 for the case and that Hastings had met Poirot in Belgium, are given in "Curtain: Poirot's Last Case", Chapter 1. After that case, Poirot apparently came to the attention of the British secret service and undertook cases for the
Poirot Investigates quotes from reviews for "In the Mayor's Parlour" by J. S. Fletcher, whilst the back flap carried the same for "The Perilous Transactions of Mr. Collin" by Frank Heller. Poirot Investigates Poirot Investigates is a short story collection written by Agatha Christie and first published in the UK by The Bodley Head in March 1924. In the eleven stories, famed eccentric detective Hercule Poirot solves a variety of mysteries involving greed, jealousy, and revenge. The American version of this book, published by Dodd, Mead and Company in 1925, featured a further three stories. The UK first edition featured an illustration