Plots involving speculation about imagined scientific innovations and the future of humankind on this planet.
Romance on four worlds : a Casanova quartet
The seeker star
L. Ron Hubbard presents Writers of the future, volume 31 : the year's thirteen best tales from the Writers of the future international writers' program
The last book ever written : Victor Vale
Shower of stones : a novel of Jeroun
Gateway to never
The best of Mack Reynolds