



May well be the refrain of this detective story, for it is from an examination of trivia – shoes, stockings and false teeth, those outward appurtenances which maketh the man (or woman, as the case may be) – that Poirot is able to discover one of the most cold-blooded and elaborate plots which even Agatha Christie has devised, and which the reader can – very dimly – see from the moment that Poirot, attending morning service for the only time in the books, discovers that he has very nearly fallen into a trap. “For want of a buckle, the shoe was lost
