"Essays ... reprinted from the Magazine of fantasy and science fiction [March 1959-April 1969]"

The seventh planet.--The dance of the Sun.--Backward, turn backward.--Little lost satellite.--Little found satellite.--View from Amalthea.--The dance of the satellites.--The planetary eccentric.--Just right.--The incredible shrinking people.--The first metal.--The seventh metal.--The predicted metal.--The terrible lizards.--The dying lizards.--Counting chromosomes.--Uncertain, coy, and hard to please.

34146