It is generally a good idea to trust book reviews, as they can provide valuable insights into a book's quality, content, and overall appeal. However, it is important to consider the source of the review and whether the reviewer's tastes and preferences align with your own. Additionally, it can be helpful to read multiple reviews to get a well-rounded understanding of a book before making a decision to read it. Ultimately, trusting book reviews can be a helpful tool in finding new and interesting books to read.