Hi Mel,
If you ever get the chance to have lessons with any top sax player, grab it . It can be like being in the magic circle, not only can they develop your potential more constructively from years of experience, they can let you into their little tips that you wont find in books, that may or may not work for you.
The teacher i use has lots of experience in teaching jazz,blues, classical and rock n roll improvisation. Unfortunately some of the work, is way beyond my level, and would hours and hours of practice.