Informative/Explanatory:
* News articles: Reporting on current events, politics, and other topics.
* Scientific papers: Presenting research findings and analysis.
* How-to guides: Providing instructions on a specific task or skill.
* Textbooks: Providing comprehensive information on a subject.
* Encyclopedias and dictionaries: Offering definitions and summaries of concepts.
* Biographies and autobiographies: Presenting factual accounts of a person's life.
* Travelogues: Describing personal experiences and observations of different places.
Narrative/Personal:
* Memoirs: Personal reflections and stories from the author's life.
* Essays: Exploring a specific topic or theme through personal reflection and analysis.
* Journalism: Reporting on current events and social issues with an emphasis on storytelling.
* Letters: Personal correspondence between individuals.
* Diaries: Personal accounts of daily life and thoughts.
Other:
* Speeches: Formal addresses delivered to an audience.
* Reviews: Critical evaluations of books, movies, music, and other works.
* Blog posts: Informal writing on a variety of topics, often with a personal perspective.
* Letters to the editor: Opinions and perspectives submitted to publications.
* Legal documents: Contracts, wills, and other legal papers.
* Historical documents: Primary sources such as letters, diaries, and government records.
Examples of specific nonfiction books:
* "Sapiens: A Brief History of Humankind" by Yuval Noah Harari
* "The Immortal Life of Henrietta Lacks" by Rebecca Skloot
* "The Power of Habit" by Charles Duhigg
* "Into the Wild" by Jon Krakauer
* "The Innovator's Dilemma" by Clayton M. Christensen
* "Educated" by Tara Westover
These are just a few examples – there are many other forms of nonfiction writing out there, each with its own unique purpose and style.