About the Book: The Last Secret by Matthew Reilly is a gripping mystery thriller featuring private detective Sam Speedman as he investigates the unexplained disappearance of women spanning over 150 years. Set in the haunting landscapes of the American South, the novel combines suspense, hidden conspiracies, and shocking twists to uncover long-buried secrets. Perfect for fans of crime fiction, detective novels, psychological suspense, and fast-paced mystery thrillers.