However, there are some words related to "author" that use prefixes:
* Co-author: means someone who writes a book or other piece of work with another person.
* Authorship: refers to the state or fact of being an author.
If you're looking for a prefix to describe something related to an author, you might use:
* Auto- (meaning "self"): for example, autobiography (a story written about oneself)
* Bio- (meaning "life"): for example, biography (a story written about someone's life)
* Pseudo- (meaning "false"): for example, pseudonym (a false name used by an author)