"Author reputation" refers to the overall opinion and perception people have about a writer based on their past works and credibility. It shows how much trust and respect an author has earned through their writing career. Full definition
Not only is it the single largest seller of books, but perhaps more impactful, the book «buy - page» on Amazon has a way of influencing sales and author reputation beyond the confines of its website. (authorimprints.com)
How professional editing can enhance the quality of your book, your sales, and your reputation as an author (kobo.com)
In a 2009 book buying survey by Verso Digital (US), just more than half of 5,640 US respondents said they purchased books based on author reputation. (thebookdesigner.com)