Intro
The title of the book, in italics, and the author
Something significant about the author (has she/he won any awards for writing or some other relevant item) and the genre (fiction, non-fiction, sci-fi, biography, etc.)
Context of the book (when or why is was written, is it part of a series, etc.)
Your thesis about the book. This is your opinion of the book or your judgement of its worth.
Summary
This will be brief because you will likely touch on the content of the book throughout the review. It should, however, provide your audience with a general idea about the story or content.