Science fiction (often shortened to sci-fi or abbreviated SF) is the genre of speculative fiction that imagines advanced and futuristic scientific or technological progress.

Dystopian fiction is a genre of speculative literature that portrays an imaginary, oppressive society characterized by totalitarian control, environmental disaster, or technological ruin, often acting as a cautionary tale.

Fantasy is a genre of speculative fiction set in imaginary universes, characterized by magic, supernatural elements, and, often, mythical creatures.

Fast-paced, high-stakes stories focusing on a protagonist's journey, exploration, and physical efforts to overcome dangerous obstacles

Horror books are designed to evoke fear, dread, and suspense, covering sub-genres from gothic and psychological to supernatural and slasher