I like the R + L = J theory... who do u think she is?
I think that was the same theory that I had come up with at the time, although I had a couple other ideas at the time I have since forgotten. But that was right when I was reading the book, before I had done any research online and saw that people were labeling it as R+L=J.
Don't go searching for this, people that haven't read all the books. It's a theory for later in the books that might turn out to be a spoiler, so I'd stay away