The important features of the front cover incorporate title and creator name. Optional elements incorporate the subtitle (when there is a person) and images, background photos or graphics. Plus they keep on onto the backbone and back cover, also. Working with foil for such a design would've been prohibitively high-priced. https://amazonkindleselfpublish.food.blog/2024/09/28/creating-a-masterpiece-for-readers-through-the-art-of-book-formatting-and-layout/