* Subtitle: The subtitle of a book can also provide some clues about its contents. For example, the subtitle of "The Lord of the Rings" is "The Fellowship of the Ring," which tells you that the book is about a group of people who come together to fight against a powerful enemy.
* Table of contents: The table of contents lists the chapters of a book and their titles. This can give you a good idea of the different topics that the book covers. For example, the table of contents of "The Lord of the Rings" shows that the book is divided into six parts, each of which focuses on a different part of the story.
* Introduction: The introduction of a book usually provides a brief overview of the book's contents. This can be a helpful way to get a quick understanding of what the book is about.
* Conclusion: The conclusion of a book usually summarizes the main points of the book and leaves the reader with some final thoughts. This can be a helpful way to reinforce what you have learned from reading the book.
* Reviews: Reviews of a book can also give you a good idea of what it is about. Reviews are usually written by people who have read the book and can provide their own insights and opinions about it.
* Book cover: The book cover can also provide some clues about the book's contents. The cover image and design can often give you a sense of the book's genre and tone.