It Must exhibit audience why they should browse your book and allow them to know very well what they will expect; it’s an ad for the book. It's not at all your personal statement on why you wrote the book. And they keep on on to the spine and back https://kindleselfpublish.sport.blog/2024/09/28/creating-a-masterpiece-for-readers-through-the-art-of-book-formatting-and-layout/