This is a pretty good place to start:
http://www.amazon.com/Turkey-Hunting...turkey+hunting
I picked up that book a few years ago, and just started doing it. There's lots of info out there, differences of opinions, and probably not a lot of definitively right ways to do things. Maybe get out there before dawn, wear full camo, and don't call too much, after that, everyone's got an opinion.
(And I'm probably still doing a "bunch of stuff wrong" lol.)
Not much in the way of public land tags left this year. First lottery deadline is November 30. Witosky and Rall in Jo Daviess County, and French Bluff (rough walk in) are probably available. Depending on where you are and how far you want to drive, you might want to look at southern Wisconsin.