Susan Hart

Two Idiots From Earth - A government official on a planet currently at war with earth, finds two supposed spies at a bar and suspects they are Terran agents. They are pretty ‘dense’ and after grilling them for a period of time, he follows up on a couple of tips they give him and their supposedly real reason for being on the planet. However, things change suddenly for the official and his planet as the situation heats up. The Pied Piper of Spring - A galactic tinkerer is called to a small settlement on the planet known as Wesson, to take care of the rat population, which has exploded in the Spring. The inhabitants are pacifist vegetarians and when the tinkerer finds out how they have previously taken care of the problem, he is horrified.

Books like Pest Control: A Pair of Classic Sci Fi Short Stories

Your next favorite book is out there