Best known as the author of The Shadow pulp stories, Walter B. Gibson was also a magician, among other talents. In 1952, he edited a short-lived science fiction magazine, Fantastic Science Fiction. His two sci-fi stories in this book appeared in that magazine. THE WAR OF THE MOONS: Saturn's moon Titan has been taken over by a dictator. The Grand Solar Alliance has sent Len Ryder to set in motion a counter-attack. Will he get the job done? THE DAY NEW YORK ENDED: New York is under seige as tidal waves and monstrous machines combine to attack the city. Can Roq, Vela, and Professor Zurow save the city from destruction?