In this first title in the detective fiction series by L. M. Falcone, ten-year-old Max Monroe is intrigued to discover that the carriage house behind his grandpa's home was once the office of the Monroe Detective Agency. Then he learns the agency had belonged to his grandpa's dead brother, Larry. But Max didn't know he had a great-uncle. "Well, he's dead," says Grandpa Harry, "but his ghost still haunts the detective agency." It seems Uncle Larry...