"87th Precinct" is a series of police procedural novels written by author Ed McBain. Set in a fictional urban environment, the stories follow a group of detectives as they solve various crimes, primarily focusing on murder investigations. The series is known for its realistic portrayal of police work and the complexities of urban life. The first book, titled "Cop Hater," was published in 1956 and introduced readers to the detectives of the 87th Precinct. Over the years, the series expanded to include over 50 novels, making it one of the longest-running crime fiction series. The books have been praised for their character development and intricate plots.