He has mentioned a police unit called NYPD Red that works to tackle the crimes and criminals in New York. Author Patterson has described the series’ stories in a unique way. The series is penned by author Marshall Karp, and co-authored with James Patterson.Įach and every book of this series has its setting done in New York, United States. The NYPD Red series is a popular book series of mystery, suspense, thriller, and detective fiction books.