Anyone can write a book, but not everyone can write a best-selling book. There are hundreds of ways for someone to successfully write a best-seller. Best-selling authors like Stephen King, John Green, and J.K. Rowling are all different, and their expertise on book writing doesn’t match, however, could there be a secret formula to getting your book to be a best seller? Definitely. Here are some excellent writing advice that most best-selling authors have been using to help you write your best-selling gem.