Genre: Science Fiction
Publisher: Avon
Number: T-221
Publication Date: 1953
Edition: 1st Edition
Cover Artist: Unknown
FROM THE BACK COVER:
“The world is in mortal danger -“
– screamed the TV commentator:
“Listen, and be warned,” the voice blared. “In the hills of California, hidden from society, is a colony of – the unhuman!”
“Born near the historic atomic explosion of Helium City, these creatures – in appearance like ordinary, innocent humans – are actually monstrous atomic mutations. Possessed of superhuman intelligence, they are at this moment plotting THE DESTRUCTION OF ALL MANKIND!”