Billy, you needn't spend a fortune on books though the recommendations given by others here are very good. I once asked a question on another board about Exercise Physiology and someone came back with this link:
All of it, without exception, is of the finest kind. In the pages of the link there are further links to all manner of author's articles like Pendlay, Rippetoe, Kilgore, Lou Simmons, Dave Tate, etc, etc....
This link alone will keep you busy for hours of reading:
I've just not found any better source of (weight) training on the net! For a beginner you just can't possibly go wrong with this stuff.