I often find that books are recommended, but it is not clear whether they are suitable for me. I read the description, reviews, but still can't decide. Maybe there's an AI book summarizer that does a quick review and helps you understand if it's worth your time?

Yes, there are such services, such as AI book summarizer, which is available at https://jadve.com/tools/ai-book-summarizer It quickly summarizes the essence of the book, the key ideas and the style of presentation. You can type in the title of the book and get a summary to see if it will take you in or not. This is more convenient than reading dozens of reviews or testimonials, which often just recap the plot or praise the book without specifics.