House of Mystery #121

In "Hostage of Dimension X," a kidnapped scientist finds himself caught between two worlds—trapped by alien captors who need his help to save their dying dimension, while also facing the looming threat of an invasion that could consume Earth. Written by an unknown author and illustrated by an unknown artist, the story unfolds with tense urgency as the line between salvation and conquest blurs.

In "The Beam That Transformed Men," reporter Wes Harris finds himself chasing a mystery as a mysterious ray from an orbiting spaceship begins altering people in inexplicable ways. As the transformations spread, he races to uncover the aliens' intent—before the beam's true purpose is revealed.