Prize Comics #30 (1940)

Prize Comics #30 is an anthology featuring multiple stories. One story follows Yank and Doodle, "America's Fighting Twins," as they investigate a mysterious figure known as the Sinister Limping Man with a thousand faces and uncover a conspiracy involving a water reservoir that serves as cover for a mine equipped with powerful electric pumps. Another story features a superhero in a blue and red costume battling mysterious cat-like creatures on rooftops and encountering a radio aerial, with the narrative indicating "right back where I started." A third story shows the Black Owl confronting a Fireman character, discovering sabotaged fires, and ultimately revealing himself as the only one who knows the truth behind the arsons, with gasoline discovered as the accelerant used in the destruction.