She's Josie #15
In "Nightmare Valley," Jo and the gang find themselves stranded near a mysterious government test site after a camper mishap, stumbling upon robotic monsters designed to mimic space travel dangers. Written by Frank Doyle and illustrated by Dan DeCarlo, this 1965 adventure blends teenage mischief with Cold War-era sci-fi intrigue, all wrapped in a cover by Dan DeCarlo.
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The gang crashes their mobile camper near a secret government test site that uses robotic monsters to simulate the potential hazards of space travel. The kids try to destroy the monsters while the U.S. army tries to prevent them from finding out about the government program.
Plot details indexed by the Grand Comics Database (CC BY-SA).