The Confused Photographer's Guide to Photographic Exposure and the Simplified Zone System by Bahman Farzad (1999, Paperback)

A great book for any photographer. Ansel Adams designed the Zone System and it is somewhat complicated. Ansel Adams was also an accomplished musician and he applied his attention to detail to his photography and the Zone System. Most people have to grow into the Zone System and this book is just the thing to help. It teaches about exposure, focus, and those complicated things like aperture and F-stop. It breaks the Zone System into 5 easier to understand parts. The language of the book is easy to understand. A great learning tool!