Quote Originally Posted by ElrodCod
A good beginer's Zone System book is the "Zone VI Workshop" by Fred Picker. It's easy to follow without getting bogged down in alot of technical stuff. It'll get you off to a good start. After that, I'd go right to Ansel's books.

I agree the Fred Picker book is a definite must have for beginning to understand the Zone system. Ansel Adams Book is much more technical but he was the pioneer of the Zone system, it's all there in that book.