* One author: The book is written and created entirely by a single individual.
* No co-authors: There are no other people listed as authors or contributors.
* Full responsibility: The sole author takes full responsibility for the content, ideas, and writing style of the book.
This is in contrast to:
* Co-authored books: Where two or more authors work together on the book.
* Edited books: Where one person acts as the editor and gathers contributions from multiple authors.
* Anthologies: Where a collection of different authors' works are brought together in one book.
Sole authored books are common in many genres, including fiction, non-fiction, academic writing, and memoirs. They offer a unique perspective and voice that is shaped by the individual author's experiences, knowledge, and creativity.