I use the Goodreads system to rate my books, it's the easiest and I use Goodreads all the time! The Goodreads system is as follows: ⭐️Did not like it ⭐️⭐️It was okay ⭐️⭐️⭐️Liked it ⭐️⭐️⭐️⭐️Really like it ⭐️⭐️⭐️⭐️⭐️It was amazing