<P> Maurice Richardson of The Observer (18 November 1956) pointed out the similarity between the house portrayed in the book and Christie's own and summed up, "Stunning but not unguessable solution . Nowhere near a vintage Christie but quite a pleasing table - read ." </P> <P> Robert Barnard: "Highly traditional recipe, but not done with the same conviction as in the thirties . Nobody much is what they seem, and old sins cast long shadows . Mrs Oliver looms large here, as she was frequently to do from now on, both in Poirot books and in others ." </P> <P> The novel was made as a film with Peter Ustinov and Jean Stapleton starring as Poirot and Oliver in a 1986 adaptation set in the present day . It was shot largely on location at West Wycombe Park in Buckinghamshire . </P> <P> John Moffatt starred as Poirot in the BBC Radio 4 dramatisation broadcast in 2007, with Julia McKenzie as Ariadne Oliver . </P>

Where was agatha christies dead mans folly filmed