Operation Terror is about an alien invasion, non-human beings landing on Earth with the intent of conquest and of how humans respond to the threat. Lockley, our hero, suspects that human traitors may be involved in the alien attack & develops a portable device that deflects the alien terror beams with amazing unforeseen circumstancesMurray Leinster was a nom de plume of William Fitzgerald Jenkins, an award-winning American writer who wrote and published over 1,500 short stories and articles, 14 movie scripts, and hundreds of radio scripts and television plays. He won both a Hugo Award & a Sideways Award for Alternate History.