The Hindenburg murders

"How the Hindenburg went from luxury airship to gargantuan fireball wasn't the only mystery surrounding the zeppelin's fatal flight. First came the murder. When a passenger vanishes during the Hindenburg's trans-Atlantic voyage from Frankfurt to New Jersey, mystery writer Leslie Charteris is asked to use his knowledge of the criminal mind to quietly pinpoint the killer. Charteris is famous for his fictional detective, the Saint, who extracts riches as well as vengeance from evildoers in true Robin Hood fashion. But in this case, the villain turns out to be the murder victim himself - a Nazi spy. And the list of passengers who might want him dead is long. Suspecting that sabotaging the German airship is the killer's true aim, Charteris must solve the murder before innocent lives are engulfed in flames"--