Wandering around the internet often leads to vast stores of information you didnt know existed.
Here is another one I found is 143 pages of pdf goodness. I only wish I had my own laser printer to make a paper copy of it. Electronic documents often annoy me as I dont have good connectivity at the house.
Some even better news though, is that the site that pdf is hosted at has a rather extensive online reference library involving solar energy.
Reference Materials
Building Best Practices Series
G....

Do It Yourself Solar