This edition includes the following editor's introduction: Beginnings and evolution of the literary genre of science fiction up to the present day

"The Man Who Saved The Earth," by American author Austin Hall, was one of the 6 fantastic stories that appeared in the first issue of the first magazine dedicated to science fiction: Amazing Stories.
"The Man Who Saved The Earth" opens on an oppressively hot day with a poor little newspaper boy, Charley, playing with a "burning glass" (a magnifying glass) which he uses to concentrate sunlight onto a small focal spot, thus intensifying the heat on some paper until it burns a hole, perhaps a portent of things to come. He is noticed by a recluse scientist, Dr. Robold, who takes interest in Charley's scientific curiosity and calls him a young Archimedes, referring to the ancient Greek who, as legend tells, used a "burning glass" from shore to set enemy ships ablaze as they were approaching. Charley has no parents to care for him. Dr. Robold takes Charley away from his pitiful life, to a mountain retreat in Colorado. Years later, bizarre, terrifying events begin to occur...