As you might hope, it is a basic Component of the publishing process: a book can not be posted if it does not have a book cover. Possibly more importantly, it usually would not be able to catch the attention of audience if it doesn't have a fantastic book cover. https://whitemagicstudios.co.uk/blog/5-things-marketing-consultants-focus-on-when-you-self-publish-on-amazon-uk/