"Black Ruby" is a thrilling mystery novel that follows the story of detective Sarah Black, who is tasked with solving a series of gruesome murders in a small town. As she delves deeper into the case, Sarah uncovers a web of deceit and betrayal that leads her to suspect everyone around her. With the help of her partner, Detective James Ruby, Sarah must race against time to catch the killer before they strike again. The tension builds as Sarah and James navigate through a maze of clues and red herrings, putting their own lives at risk in the process. Will they be able to solve the case and bring the killer to justice, or will they become the next victims in this deadly game of cat and mouse?"