There are many synonyms for the phrase "author published books." Some options include "writer-penned literature," "author-written works," or "novels by an author." Additionally, one may use more specific terms based on the genre or subject matter of the books, such as "historical fiction by an author" or "science non-fiction authored books." Utilizing synonyms not only adds variety to writing but also clarifies the context and meaning of the phrase. These alternatives can help elevate the language and make the content more engaging for readers.