Lord Edgware Dies is a work of detective fiction by British writer Agatha Christie, published in the UK by the Collins Crime Club in September 1933 and in the US by Dodd, Mead and Company later in the same year under the title of Thirteen at Dinner. Before its book publication, the novel was serialised in six issues of The American Magazine as 13 For Dinner.

Hercule Poirot is a fictional Belgian detective created by British writer Agatha Christie. Poirot is one of Christie's most famous and long-running characters, appearing in 33 novels, two plays, and 51 short stories published between 1920 and 1975.