A masterly collection of 24 stories by the world's greatest SF writer From backyard miracles to cosmic conundrums, enter the incredible world of Isaac Asimov. Spanning twenty-three years of Asimov's amazing career, these stories display to the full the exhilarating power of one of science fiction's most astonishing writers. Each tale is accompanied by Asimov's own intriguing account of how and why it came to be written.