The John Corey Series is a collection of thriller novels written by author Nelson DeMille. The series follows the character John Corey, a former NYPD homicide detective who becomes embroiled in various criminal investigations. Set primarily in New York, the books blend suspense, humor, and action, showcasing Corey's sharp wit and resourcefulness. The series includes several titles, starting with Plum Island, where Corey investigates a murder linked to a secretive government research facility. Other notable books in the series include The Lion and Radiant Angel, each featuring Corey's unique perspective on crime and justice, as well as his interactions with various law enforcement agencies.