Brevet der dræbte er en spændingsroman fra 1925, skrevet af Agatha Christie. Den foregår i efterretningskredse, og er er den type, hun selv betegnede som "lette at skrive". Ingen af Christies sædvanlige detektiver, Hercule Poirot og Jane Marple deltager i opklaringen.
Black Coffee is a novelisation by the Australian-born writer and opera expert Charles Osborne of the 1930 play of the same name by crime fiction author Agatha Christie. The novelisation was first published in the United Kingdom by HarperCollins on 2 November 1998 and in the United States by St. Martin's Press on 31 …
At Bertram's Hotel is a work of detective fiction by Agatha Christie and first published in the UK by the Collins Crime Club on 15 November 1965 and in the US by Dodd, Mead and Company the following year. The UK edition retailed at sixteen shillings and the US edition at $4.50. It features the detective Miss Marple.