The product is a set of three hardcover books by Robert Ludlum, including "The Bourne Identity," "The Bourne Supremacy," and "The Bourne Ultimatum." The books are part of the popular Jason Bourne espionage thriller series, known for their intricate plots and intense action sequences. As a set, these novels offer readers a comprehensive look into the life of Jason Bourne as he navigates through various dangerous missions and encounters. Fans of suspenseful and thrilling literature would enjoy this collection of books.