The Ancient Nine is a thriller novel by Ian K. Smith that follows Harvard student Spenser Collins as he uncovers a century-old mystery within the elite Delphic Club and its shadowy inner circle, known as the Ancient Nine. While Spenser is being considered for membership in the club, he and his friend Dalton Winthrop stumble upon a dark secret about the disappearance of a student in 1927 and the group of alumni with absolute power who protect the club's secrets.