Some parts were very dry and just related facts like a book on mathematics. I rated it a three because the idea of the book was interesting. I read the book quickly, mostly because I wanted to get finished with it. The book wasn't scary while I was reading it. While reading it I was depressed and frustrated. The part that was scary about this book for me was the nightmares I had. I had dreams where I was constantly being pursued and could never rest because I was trying to get away from something. I hated that feeling. I'm so glad I'm done reading it.