I think I'm a Bryan Peterson junkie. I seems that each time I get one of his books, I get new and invaluable insights. In the case of Unferstanding Flash Photography, what I got was drastic. Before, I'd have my hot-shoe flash on on automatic and basically not use it much... because it never seemed satisfying. Now, I know exactly how to use it manually. Have perfect control over my light. If you own a flash, do yourself a favor and learn to use it with this great ressource.
I've been wanting a digital SLR camera for a while and finally bought myself one as a gift. Obviously, I wanted to learn how to be a better photographer with my new toy, so I ordered a couple of books to learn more. Bryan Peterson's Understanding Exposure is the best I read by far. It is exactly what I wanted and needed: a clearly-written, concise and beautifully imaged book that taught me how to use my potential as a photographer. Now, I shoot only in Manual mode and know how to deliver perfect exposures everytime. If you're like me and want to go from point-and-shoot to dSLR and learn how to take advantage of what your camera can do for you, this is the book to get.