Doc Savage: The Frightened Fish (The Wild Adventures of Doc Savage Book 18)

Why did the image of a harmless silver fish drive all who beheld it mad? Even Doc Savage did not know. But as he took up the puzzling trail, the Man of Bronze discovered an inexplicable menace growing in the rich coastal fishing grounds of the Atlantic seaboard––and embarked on a submarine voyage of terror that would carry him to the intrigue of Occupied Japan.

But mighty bronze giant had no inkling that he was soon to face a foe the world had long believed dead––an evil genius who had started one world war and was preparing to ignite a second, more terrible, world-devouring conflagration!

And his awesome weapon was the lowly fish of the sea....