The legendary collection that changed the literature of science fiction for all time! Unavailable for over fifteen years! New introduction and annotations by Harlan Ellison. Foreword by his friend and mentor, the late Isaac Asimov. This massive anthology contains 34 short stories, including Nebula Award-winning stories by Samuel R. Delany and Fritz Leiber, and Hugo Award-winning stories by Fritz Leiber and Philip Jose Farmer. Includes stories by some of the best science-fiction writers who ever lived, writing at the height of their storytelling powers. All stories were commissioned originally by Ellison.