If covers are meant to seize the intricacies of a book’s written content in one communicative visual, then covers that use iconography copyright that purpose as their official mission statement. Their basic - albeit deceivingly basic - graphic language doesn’t make for the sort of cover which you’d get for https://www.reddit.com/user/SelfAmazonKindle/comments/1fr8op4/creating_a_masterpiece_for_readers_through_the/