Here are a few resources (PDFs, LibGuides, videos) to help you write a book review. Take a look at one or two if you need some guidance.
Note: This video is aimed at English as a Second Language learners, but it might be useful to any first-time book reviewers. (8 mins)
Teachinglearning English. (2021, May 17). How to write a book review [Video]. YouTube. https://www.youtube.com/watch?v=3vQzTjoD1KI&t=8s