We center on critical parts like originality and continuity of storyline, consistency and depth of character enhancement, size/phrase count as well as other components contributing towards the readability of a book. There have been 7 hundred of those cages hanging inside the castle, and all with beautiful birds in them. https://medium.com/@SelfPublishingKindle/creative-book-cover-magic-starts-with-your-story-a0ea0da0c40b