X Y Z A Detective Story

X Y Z: A Detective Story is a classic mystery novel by Anna Katharine Green. The story follows the investigation of a murder that takes place at a masquerade ball, where guests wear elaborate costumes and masks to conceal their identities. The case is taken up by a clever detective named Ebenezer Gryce, who must navigate a complex web of clues and suspects in order to solve the crime. The novel fe...