Today's readers of science fiction and fantasy have an appetite for stories that address a wide variety of voices, perspectives, and styles. There is an openness to experiment and pushing boundaries, combined with the classic desire to read about space ships and dragons, future technology and ancient magic, and the places where they intersect. With a diverse selection of stories, THE BEST AMERICAN SCIENCE FICTION AND FANTASY 2018 explores the ever-expanding and changing world of SFF today.