The phrase "popular author" refers to a writer who is well-liked by many people and has a large number of readers who enjoy their books. Full definition
Some of the most successful, popular authors of the all time fall into this category. (selfpublishingteam.com)
Search your favourite or popular authors in your genre; what are they doing — or not doing — that you can adapt to your writer platform strategy? (yourwriterplatform.com)
It allows you to buy most new books by popular authors. (goodereader.com)