Although sub-titled "An Introduction to Astronomy", this book has some very nice space paintings. From 1960 some of the adventures illustrated seemed just around the corner.
Branley, Franklyn M. Illustrated by Geygan, George. Guide to Outer Space. New York: Home Library Press. (32 p.) 26 cm.
Primarily an introduction to astronomy with several nice illustrations of a space station, space suits and manned exploration of the solar system.
P.S. "The Russians are coming!"