One of my favorite classic SF authors, but not a favorite of his works. The ideas were interesting, but the dialogue felt particularly dated, and the final third’s sociological bits were a bit silly - Asimov seemed to think that readers wouldn’t stay interested in the science part of the fiction without putting in a lot of “hey, and everybody on the moon looks hot and runs around naked, especially the women with their high, firm, conical breasts!” I know he was a dirty old man, but it was particularly obvious here.