All over the Midwest, cars and trucks were crashing--stopped in their tracks by an inexplicable force! Had some unseen power targeted America's automotive industry--or was something more sinister at stake? Summoned to solve the mystery, Doc Savage and his intrepid men follow a trail of terror that winds through the continental United States like a constricting serpent of senseless destruction. From the nation's car capital to the North Pole, the Man of Bronze races to stave off a strangely familiar menace only to confront a completely unexpected foe--the enigmatic Baron in Black!