Parker Graves, a newspaperman, is the first to link the phenomenon of a rolling bowling ball with an alien influx and invasion and the attempt to buy up the earth and end the human race and dream. Disbelieved and dismissed, Parker smokes out (with the scent of skunks) the infiltrators and makes survival possible by proving that ignorance is the supreme danger... Likable characters and familiar circumstances intensify the recognition and menace in an able variant of a time-tested threat.