Maza of the Moon — Otis Adelbert Kline

This astonishing science-fiction classic begins like a prophecy of today's space achievements--a missile is fired from Earth to hit the surface of the Moon. It is successful and the misslemen are heroes, until...the Moon fires back! Terrible Lunar missiles blast New York, London, and Paris. And an ultimatum is delivered from the unsuspected civilization of our satellite: "You have attacked us! You will pay the penalty!" MAZA OF THE MOON is a novel of adventure, daring and heroism as a lone Earthman invades the Moon to find out the truth and save his world.