23 cents may seem cheap. But wait. Here's Diana Gabaldon's huge hit, Outlander:
I doubt she minds. Her book has been made into a big cable TV hit, with gorgeous stars and gorgeous countryside and gorgeous costumes and gorgeous gorgeousness.
I don't mind, either. After all, if they're selling it used, then it had to get used in the first place. And look at this, at the end of the Camelot & Vine used sales list.