Martians, Go Home — Fredric Brown

THEY WERE GREEN, THEY WERE LITTLE, THEY WERE BALD AS BILLIARD BALLS AND THEY WERE EVERYWHERE!

Luke Devereaux was a science fiction writer, holed up in a desert shack waiting for inspiration. He was the first to see a Martian - but he certainly wasn't the last.

It was estimated that one billion of them had arrived - one to every three human beings on Earth. Obnoxious green creatures who could be seen and heard (but not harmed) and who probed private sex lives as shamelessly as they exposed government secrets.

No one knew why they had come. No one knew how to make them go away - except perhaps, Luke Devereaux. Unfortunately he was going slightly bananas, so it wouldn't be easy.

But for a science fiction writer nothing was impossible...