Our Favorite 25 WIRED Covers of All Time | WIRED
This cover use a lot of texture to create a eye-catching mysterious look.
https://www.wired.com/story/favorite-25-covers/

Vintage Magazine Covers with a “Wow Factor” | Webdesigner Depot Webdesigner Depot » Blog Archive
This image uses negative space to create a fun image.
https://www.webdesignerdepot.com/cdn-origin/uploads/vintage_magazine_covers/which-july-68.jpg

12 Illustrated Book Cover Designs that Capture the Magic of Fiction
This book cover uses perspective to create a storytelling image.
https://www.manypixels.co/blog/post/book-cover-illustrations