Books
Books
Buy both, damn we'll worth the cost, but understand that you might not comprehend or be able to utilize the knowledge included until you have the basic fundamental knowledge, and the pure stroke to execute the shots, or moves.
I know I am not a rocket scientist, but it has taken me over five years, just for a glimmer, and I can play at about in the middle of the pack of all the one pocket guys out there.
Don't let my comments dissuade you from the best pool game ever invented. It is an interesting journey, and you can learn something new with every set you play.
Bille