Science Fiction (or Sci-Fi) is a form of fiction that focuses primarily on the impact of actual or imagined science on society. This is usually a conflict between science and technology, human nature, and social organization. They can be set in futuristic or fantastical settings.

There are tons of subgenres including Steampunk, Apocalyptic Sci-Fi, Dystopian Fiction, Sci-Fi Horror, and Alien Invasions.

Some examples of Sci-Fi books include Dune, Jurassic Park, Upgrade, and Lovecraft Country.