As the series finale of Downton Abbey comes to a close, British Heritage Travel sits down exclusively with its executive producer, Gareth Neame, to learn why he thinks its popularity will endure, how some of the characters changed, and whether there will ever be a movie version of the popular show.
Agatha Christie is best known, of course, for the mysteries of her two most famous sleuths, Hercule Poirot and the irrepressible Miss Marple. In fact, however, her own favorite recurring heroes were the couple of Tommy and Tuppence.