I've been doing this for about 4 years now. I've come to the point where I would like to install irrigation systems. I've been asked several times if I did it or not, and I think I would do quite well in this field. I know plumbing, and I know electrical because I also work for a contractor as a second job during the summer when I'm not in college. I just don't know irrigation. Could any of you provide any literature or some starting advice that would be a good base before starting actually doing this? I would like to have some background before jumping headlong into this side of things. I plan on doing my yard first so I'm sure that will help. Thanks for the recommendations guys.