I have this book, and I liked it very much. But a better exposure book is Perfect Exposure:
http://www.amazon.com/gp/product/158...lance&n=283155
This book is great because it teaches you to look at a scene with a film user's mentality, "Get it right the first time so you don't waste time, money, or film on bracketing." He shows lots of examples and teaches you to look for the best places to take your exposure readings in each example. I wish they made a pocket version because I would definitely keep it in my bag if they did.
The Peterson book has a lot of really nice photography, but I felt it was written for the house wife with a p&s camera (nothing wrong with that of course).