The website link in post #2 is an unbelievable free resource that you should find valuable.
If you find yourself wanting any additional resources for the somewhat related field of kicking, you may find the following threads of compiled material, posted by forum member DeadAim a long time ago, useful.
Watch a lot of Banks matches on YT, combine that with some videos John Brumback and Freddy the Beard's 2
and both his books as well. The diagrams are worth the investment just by themselves. Also, you really don't
want to leave Robert Byrnes' books out of the mix by any means. His sections on NO pocket Billiards has some
truly outstanding information that you can mine. All the while you want to be taking this information in bite
sized chunks to the table and start putting what you've read and seen into practice as you accumulate it. The
MOST important bit is the table time.