Short stories by Agatha Christie have been published in many collections, lots of them duplicating each other. For example, The Harlequin Tea Set contains almost all the same stories as While the Light Lasts. But a little sorting out has revealed...
Two poisonings and two shootings at the Shore mansion on the thirteenth of October are no mere coincidence. Nor is the presence, in the neighborhood, of that celebrated man-about-murder, Perry Mason. Warned by the local police to stay off the Shore...