* Novels: Long works of fiction that typically tell a single story.
* Short stories: Brief works of fiction that are typically complete in one sitting.
* Novellas: Works of fiction that are longer than short stories but shorter than novels.
* Science fiction: Fiction that deals with imagined future scientific or technological advances and their potential consequences.
* Fantasy: Fiction that deals with imagined worlds and creatures, often set in a medieval or mythical setting.
* Historical fiction: Fiction that is set in a real historical time period and that uses real historical events and figures.
* Literary fiction: Fiction that is written with a focus on literary style and quality, rather than on plot or commercial success.
* Genre fiction: Fiction that is written in a specific genre, such as romance, mystery, thriller, or horror.
Non-fiction
* Biographies: Non-fiction books that tell the story of a person's life.
* Autobiographies: Non-fiction books that are written by a person about their own life.
* Memoirs: Non-fiction books that tell a story about a person's life, but that are not as comprehensive as biographies.
* History: Non-fiction books that tell the story of past events.
* Science: Non-fiction books that present information about scientific topics.
* Mathematics: Non-fiction books that present information about mathematical topics.
* Religion: Non-fiction books that present information about religious topics.
* Philosophy: Non-fiction books that present information about philosophical topics.
* Psychology: Non-fiction books that present information about psychological topics.
* Sociology: Non-fiction books that present information about sociological topics.
* Economics: Non-fiction books that present information about economic topics.
* Politics: Non-fiction books that present information about political topics.
Other types of books
* Picture books: Books that are primarily made up of pictures, with little or no text.
* Comic books: Books that are made up of sequential panels of art that tell a story.
* Graphic novels: Long works of fiction that are told in comic book format.
* Reference books: Books that contain information on a specific topic, such as dictionaries, encyclopedias, and almanacs.
* Children's books: Books that are written for children, and that are typically shorter and simpler than books written for adults.