This could briefly summarize unique areas of your book and give the highlights, like a movie trailer provides a teaser for viewers. Designers from all over the world pitch you Concepts. You provide feedback, hone your favorites and pick a winner. Here is a very customizable photoshop book mockup to https://illustrationartistsforhire.blogspot.com/2024/09/a-book-cover-design-can-make-difference.html