Poirot Investigates is a short story collection written by Agatha Christie and first published in the UK by The Bodley Head in March 1924.[1] 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,[2] featured a further three stories.[3] The UK first edition featured an illustration of Poirot on the dust jacket by W. Smithson Broadhead, reprinted from the 21 March 1923 issue of The Sketch magazine.