"Francis A. Miniter" wrote in message
...

Sci-Fi cover art is a field onto itself.

Indeed.
Some of my favorite cover art is on the Tom Swift Jr. books from the 50s
& 60s.
Rocket ships, robots, space stations and other inventions are all there
in their full color glory.
You can see them on my Tom Swift site:
http://TomSwift.BobFinnan.com