In response to the question about the best book to learn [subject] from, the best answer I ever received was: "the third book". The point being, of course, tha

In response to the question about the best book to learn [subject] from, the best answer I ever received was: "the third book". The point being, of course, that it may take a few different expositions before something 'clicks'. I think this observation is particularly important for self study. So, in answer to your question: maybe more than one book?