Amazing Stories of Suspense #211

In "The Strange Secret of Henry Hill," a man consumed by envy discovers a hidden experiment that brought a child from another dimension to Earth—only to wrongly believe his successful rival is the alien. When he confronts the man demanding money, the refusal leads him to destroy the device holding the child in this world. As the child vanishes, he suddenly realizes his mistake, but it’s too late to undo what he’s done.