What is the shortest science fiction novel in the world?

The shortest science fiction novel in the world was one of the Three Body Problem series called Dark Forest. The novel tells the story of an extraterrestrial civilization named "Three-Body" who discovered Earth and used a strategy called "Dark Forest Law" to see Earth as a potential threat and attempt to destroy civilization on Earth. This article was less than 700 words long and was hailed as one of the shortest science fiction novels.