Is it possible to commit the perfect murder? Can a criminal act so carefully, with such skill, that even the most astute policeman will not be able to expose him? Detective Club members Margery Allingham, Ronald Knox, Anthony Berkeley, Russell Thorndike, Dorothy L. Sayers, Freeman Wills Crofts contributed to this collection of detective stories story, inviting the Scotland Yard inspector to look into the case presented. Did the members of the Detective Club manage to commit the perfect murder? Or did the inspector find evidence incriminating the attackers? And if not, then perhaps you, reader, will succeed? The collection also includes an essay by Agatha Christie, who offers the reader her solution to one of the most mysterious crimes of the 20th century - the never-solved case of poisonings in Croydon.