SciFi Tech Talk #000052 - Childhood's End

Men called them OverlordsThey had come from outer space—they had brought peaceand prosperity to EarthBut then the change began.It appeared first in the children—frightening, incomprehensible.Now the Overlords made their announcement:This was to be the first stepin the elimination of the human raceand the beginning of—What?—Original back cover quote, paperback edition