Yes, books are based on ones experience, but books may alter the reality. And i wish to hear the opinion of more people begginers like me, or more experienced. For me ot's more credible. This does not exclude books. Of course they are the main guide...
I don't know any macrobiotic center. I might not be well informed... But macrobiotics is a subject discussed in certain forums and of course there are therapists which are better documented.