The Spy

When a brilliant pre-World War I battleship gun designer is ruled a suicide, the Van Dorn Detective Agency assigns chief investigator Isaac Bell to determine whether it was actually murder. Bell soon uncovers an elusive spy linked to a secret project who is systematically killing America's leading technologists, turning the case into a high-stakes chase across the country. The novel blends historical detail with fast-paced action as Bell races to stop the assassin before more minds are silenced.