In The Two Window Murders by John Hazlitt Fahy, also known by the pseudonym Vernon Lauder, a Christmas scene takes a shocking twist when it is discovered that one of the statues displayed in Mr Mander's shop window is none other than the corpse of the shopkeeper himself. Nearby, the body of a girl is found, turning the shoppers' celebrations into a tragedy. Detective Devenish investigates this horrific case, confronting a series of tangled clues and contradictory problems. Events unfold to reveal blackmail and patent theft, in addition to love affairs filled with betrayal. With a long list of suspects, Devenish seeks to uncover the identities and motives of the perpetrators. Will he be able to solve this puzzling mystery before it's too late? The novel "The Two Showcase Crimes" takes the reader on an exciting journey full of excitement and mystery, making the reader wonder about the identity of the killer until the end.