Well, at this point in my career, the lecture covers things not yet written in textbooks ;) But generally speaking, especially when you account for the probabi

Well, at this point in my career, the lecture covers things not yet written in textbooks ;) But generally speaking, especially when you account for the probability that "read the textbook" will result in me either grinding to a halt or just having content slide off, I covered more in lecture. Textbooks were useful for specific needs for depth, used much more like reference works than a way to learn an entire topic.