A flick of the wrist—and whole cities plunged into a void of lifelessness.Newark ... Manhattan ... Baltimore—one by one they went out. A succession of thriving communities suddenly put out like a guttered flame—men, women, children sprawled like grotesque mannikins.Steve Waldron knew it couldn't be plague. There had to be some connection with the disappearance of the nation's top scientists. And then he plunged to the very center of a dead city and gaped at a truth he could not believe. What could he do against so fearsome a force that threatened to engulf the whole nation?Here's a spine-tingling science-fiction novel by an old master. It will open up a new dimension of suspense and excitement.