The "In Death Series" is a popular collection of futuristic crime novels written by J.D. Robb, a pseudonym for author Nora Roberts. Set in the mid-21st century, the series follows the life of Eve Dallas, a tough and determined homicide detective in New York City. Each book combines elements of mystery, romance, and science fiction, as Eve solves complex cases while navigating her personal life and relationships. Throughout the series, readers are introduced to a cast of memorable characters, including Eve's charming husband, Roarke, and her loyal friend, Peabody. The books explore themes of love, justice, and the impact of technology on society, making them engaging for fans of various genres.