0 I did not finish this book.
1 I did not enjoy this book.
2 This book was occasionally enjoyable, but I would not recommend it.
3 I really enjoyed this book, and I would recommend it.
4 I loved this book and will read it again. Read it!
5 Wowowow! I am OBSESSED with this book. Get ye to a bookstore: This one's a MUST-READ!