Amazing Mystery Funnies #12

In "The Hidden Empire (Part 4)," a mad scientist's wild invention threatens to unravel time itself, accelerating the Earth’s rotation to the point where a single day passes in under a minute. With art by Fred Schwab, this pulpy sci-fi thriller from 1939 delivers a bizarre, high-stakes spectacle where even the most basic understanding of physics is upended. The cover by Paul Gustavson captures the era’s dramatic flair, a 10-cent glimpse into a world where science and madness collide.