Presentableness of a book cover

Obsessed with bookmaking, I have been asking myself how to “measure” the presentableness of a cover. I just liked them “without” a *reason*. While posting this pic, I realized that the German version’s cover was designed by @guentergrasshaus himself, and the French one by #ROLANDTOPOR (1938–1997). https://www.instagram.com/p/CP9boztHXHi/