I didn't like this book, so I didn't finish. It's very difficult to keep up with, and once I got the idea, I decided that it was too out there for me. An interesting idea, but very arduous to read. The way the text jumps between the recovered notes and the main character's marginal notes makes the story proceed very slowly, and every time something interesting happens, you have to wait for several pages before you get to read what happens next. In between, there's jumbled academic nonsense about this and that.