I realize you are asking books and not necessarily audiobooks but for audiobooks I follow a few good narrators that I know only do books I will like. This way I am almost always guaranteed a good book, and as a bonus I already know the narration quality will be perfect.
Lemming (verb): the act of doing lemmy Lemm-on (noun): having erected lemmy. So only instance owners can be called lemmons. The correct term for the rest of us is: Lemmer (noun): someone who does lemmy