everything you could ever want to know on the subject is published. In fact, I have found almost everything you really need to know from Mel Frank, as well as reading a few books on cannabis chemistry. There are also a lot of good articles in sources like cannabis culture, high times, and ic.
Sites like this are great resources as well. I personally suggest reading a few books, get the basics down pat, and then forums are a great place to get help making trade-off decisions and for more advanced growing info than most of the guidebooks will go into.
In one way or another this question of RL ganja centered relationships comes up. The only difference between ganja relationships and any other relationship you form is that the ganja one might be illegal. If you're moving to a med state, and get a recommend, then you become legal, and just do what you'd do with any hobby or activity. Look for clubs or groups, inquire at your local dispensaries, get to know other patients who grow their own, etc. Though it may be legal now, it recently wasn't. Many of those using legally now were using illegally for a long time. Don't be surprised if they are a little more guarded than other activity groups, they are just more used to functioning underground than they are above ground still.
I also can't help but point out that no amount of 'book learning' is going to replace experience. Before I ever planted a seed I had read a number of books on the subject, but it wasn't until I had a few grows under my belt that I started having good results. There's science to it, but it's more of an art, and requires practice
