Flash Gordon: Massacre in the 22nd Century David Hagberg Flash Gordon: Massacre in the 22nd Century David Hagberg · 1980 First published 6 years later Save Continue from here
Deathworld 1 Harry Harrison Deathworld 1 Harry Harrison · 1983 First published 9 years later Save Continue from here
Triplanetary E.E. "Doc" Smith Triplanetary E.E. "Doc" Smith · 1982 First published 8 years later Save Continue from here
