“Produce a cover featuring a futuristic cityscape with neon lights and a shadowy figure. Use dim colors with blue and pink accents, which has a sleek, present day font for your title.” A great book cover needs to be catchy, display the book’s genre, and trace at the book’s story. https://www.tumblr.com/kindlepublishing/779864990625792000/how-to-become-a-nyt-bestselling-novelist-some?source=share