⭐: Reviewer wouldn’t recommend this book at all.

⭐⭐: Reviewer wouldn’t read it again. Needs work.

⭐⭐⭐: Reviewer enjoyed the book.

⭐⭐⭐⭐: Reviewer liked and would recommend the book to friends/family.

⭐⭐⭐⭐⭐: Reviewer considers the book to be something that everyone should read. Reviewer would definitely read it again.