I never really read through them, I just practiced a lot, one thing that bothers me is look ahead, how exactly do I do it or going about practicing it so I know what it is?
http://youtu.be/jfE7jYOXbgg This is the best advice I have to offer for lookahead. And this isn't the only one that thoroughly explains the topic. If you have a question, someone has probably made a video about it or it's in the wiki.