here is a couple of sites to check out
http://foragingpictures.com/
it is a excellent viual giude to edible plants and mushrooms
http://www.backwoodshome.com
actually it is a self reliance and homesteaders mag. but there is alot of info to be gained there.also mossad ayyob is a column writer there i belive most of you gun nuts(arent we all)will be familiar with his name.

then there is ron hoods site i have lost his addy but a search should pop his name without any problems

if you don't care for those sites run a google on survivalism or primitive technologies