Science Fiction Books
- A.I., Robots, & Cyborgs Science Fiction
- Adventure Science Fiction
- Afrofuturism - Ethnofuturism Science Fiction
- Alien Encounter Science Fiction
- Alien Invasion Science Fiction
- Alternative History and Parallel Realities
- Anthologies
- Apocalyptic and Post-Apocalyptic
- Biography/Autobiography
- Biopunk
- Climate Fiction (Cli-Fi)
- Comic Science Fiction
- Cyberpunk
- Dystopian
- Hard Science Fiction
- Historical SpecFic
- Military Science Fiction
- Philosophical Science Fiction
- Religious SpecFic
- Science Fantasy
- Space Opera
- Spy-Fy
- Steampunk
- Superhero Fiction
- Sword and Sorcery
- Techno-thriller
- Time Travel Science Fiction & Fantasy
Fantasy Books
- Arthurian Fantasy
- Comic Fantasy
- Crime Fantasy
- Dark Fantasy
- Epic & High Fantasy
- Fairy Tale Retelling
- Low and Contemporary Fantasy
- Magical Realism
- Military Fantasy
- Mythic Fantasy
- Portal Fantasy
- Romantic SpecFic
- Supernatural Horror and Fantasy
- Time Travel Science Fiction & Fantasy
- Urban Fantasy
- Young Adult
Horror Books
- Animal Horror
- Body Horror
- Comic Horror
- Cthulhu Mythos and Cosmic Horror
- Gothic Horror
- Psychological Horror
- Slasher Horror
- Supernatural Horror and Fantasy
- Terror Horror
- Vampire Horror
- Weird Fiction
- Zombie Horror