Why should authors adapt their book or novel to a screenplay? Quite simply, because there's a huge boom in the industry for novels being adapted to film and book series being adapted to TV series! So authors have a fantastic opportunity to get their work optioned.
Here's everything you should know about Hollywood's new book boom ~ how changes in TV, film and book publishing, including the pandemic, have driven a boom in book adaptations. Here'some articles to help authors to adapt their books to scripts: https://pageturnerawards.com/adapting-books-to-screenplays