June 1936: As the citizens of Paris watched, the airship Shadow dissolved in a ball of fire-and the world mourned the deaths of Capt. Gideon Argo and his loyal crew, The Flying Zombies. In the hours following the disaster, friends of the heroic adventurers gathered to investigate: Dorian Drood, special agent for Black 23; British Lord Terry Blackpoole, who first met Argo in the jungles of darkest Africa; and Montgomery Carson, whose...