There's Some romance, obviously, amongst a book’s inherent recognition and endurance (we would connect with this its “classic” status) as well as recognizability of its cover, especially its initial cover, if it was done proper, and there can be a connection amongst the standard of design itself and its iconic-ness, https://medium.com/@KindleSelfPublishing/top-features-of-the-best-self-publishing-companies-uk-6984cd2322f8