sentences:  The original U.S. subtitle was "The Greatest Science Fiction Novellas of All Time".Twenty-two novellas published from 1895 to 1962 were selected by vote of the Science Fiction Writers of America, as that body had selected the contents of "The Science Fiction Hall of Fame Volume One, 1929–1964", a collection of the best-regarded short stories.SFWA had been established in 1965 and that publication year defined its first annual Nebula Awards.