Book, and wrote a pretty sarcastic review making fun of the book. I decided that a humorous review poking fun at the book was . better than a "straight" review that slammed the book. But. , and stick by the original opinion. Understand, book reviews definitely affect sales, and therefore are meaningful in . 've done this for years. But for book reviews, the review must be fair and unbiased. If for example. I would totally disagree with. Some high-level reviewers slammed Cormac McCarthy's stunning novel "Blood Meridian" . , some of their reviews are boring. I prefer reviews from "causal" people who write for the fun of it, not. out by myself. As a side remark, "unprofessional" reviewers may write just as well as "professional" ones. .