He's the guy who coined the term "sci-fi" and is recognized the world over as the father of science fiction. Now, Forrest J. Ackerman, "Mr. Sci-Fi", presents the greatest little-known sci-fi short stories of all time, featuring works by Isaac Asimov, Ray Bradbury, Robert Heinlein, and many others.
Used availability for Forrest J Ackerman's Ackermanthology
September 2000 : USA Paperback
April 1997 : USA Paperback