Did JK Rowling self-publish?

No, J.K. Rowling did not self-publish her books. She is the author of the Harry Potter series, which was published by Bloomsbury in the United Kingdom and Scholastic in the United States. The books have been translated into more than 70 languages and have sold more than 500 million copies worldwide. The series has also been turned into a successful film franchise and has inspired numerous spin-off books, games, and other products.