Death of a Saboteur (an Amos Lee Mappin mystery)

Set against the backdrop of World War II, Amos Lee Mappin, a crime author turned undercover investigator, delves into the perilous world of espionage to infiltrate a spy ring. As he navigates the complexities of his mission, a shooting complicates his efforts, forcing him to keep both the police and his true intentions at bay. With new threats emerging and friends in jeopardy, Mappin engages in a tense game of cat-and-mouse, culminating in a thrilling conclusion. This gripping tale was published in 1943.