There’s a John Waters saying that if you go to someone’s house and they don’t own any books, don’t have a romantic encounter with them.
Well, if you go to someone’s house and they have turned all of their books BACKWARD on the shelf — girl, RUN. That person is a sociopath.
If you don’t know what I’m talking about, I envy you. To explain, this “trend” has so-called minimalists flipping their books, disguising their titles for a neutral block of dead tree.