Private detective, Charlie Collier, is back to his old tricks in his 4th adventure, "The Buried Treasure Caper." In this novel, the 12-year-old snoop for hire stumbles upon a rare coin with a mysterious past. Charlie, Henry, and Scarlett soon find themselves attempting to unravel a 50-year-old murder case that the local police were never able to solve. And like his other adventures, Charlie gets in way over his head and becomes the next victim of a diabolical coin collector who will do anything to protect his secret.