Rule 18
| "Rule 18" | |
|---|---|
| Short story by Clifford D. Simak | |
| Country | United States |
| Language | English |
| Genre(s) | Science fiction |
| Publication | |
| Publisher | Astounding Science Fiction |
| Publication date | July 1938 |
"Rule 18" is a 1938 science fiction novelette by American writer Clifford D. Simak, credited as launching Simak's career and helping inspire the writing style of Isaac Asimov. It won a Retrospective Hugo Award for Best Novelette in 2014.