Some books, for deep learning and future reference:
For brewing, start with American Sour Beers, by Michael Tonsmeire
Wild Brews, by Jeff Sparrow
To understand the Lambic tradition behind most American Wild Ales, go deeper with:
Lambicland, by Tim Webb, Chris Pollard and Siobhan McGinn
Some blogs and sites:
http://milkthefunk.com/ Especially the wiki, for up to date science.
What else belongs here?