The novella is, in the words of Gardner Dozois, "a perfect length for a science fiction story: long enough to enable you to flesh out the details of a strange alien world or a bizarre future society...and yet, still short enough for the story to pack a real punch."

The thirteen masterpieces assembled in Modern Classic Short Novels of Science Fiction travel to the farthest reaches of the imagination, through realms of immortality, along alternate paths of time and across vast galaxies to explore the best of all imaginable worlds.