“Make a cover showcasing a futuristic cityscape with neon lights in addition to a shadowy figure. Use darkish colours with blue and pink accents, using a sleek, modern font to the title.” A good book cover need to be catchy, Exhibit the book’s genre, and hint in the book’s Tale. https://bookayoutdesigner.blogspot.com/2025/02/what-can-you-do-before-self-publishing.html