Explorers of the Infinite: Shapers of Science Fiction

'''Moskowitz, Sam. Explorers of the Infinite: Shapers of Science Fiction.''' Cleveland, OH: World, 1963. Westport, CT: Hyperion, 1974.

Includes a discussion of R. U. R. by a student of SF important for the development of the field: ch. 13, "Karel Capek: The Man Who Invented Robots."