Joe Decker, a good friend of mine and a FANTASTIC nature photographer, has put together this e-book based on a series of columns he wrote on image composition.
It's a really lovely little 75-page PDF e-book with a lot of gorgeous photos. I'm a fairly novice photographer, but I found the book really approachable and helpful and learned a lot from it. It taught me a lot about how to frame a shot, what good "movement" in a photo looks like, and a bunch of other little bits and pieces that I feel have helped my own photo taking quite a bit.
The attached file is the cover of the book -- you can buy the whole thing here:
The Tuesday Composition or just check out his really gorgeous photos here:
Rock Slide Photography.
(No, I don't get a kickback or commission of sales or anything, I just like sharing cool stuff done by people I like.)
Side note: a couple of pages in the book on the concept of the use of the "s-curve" also happened to inspire my lol-catting of this shot I took. That is ENTIRELY my fault and Joe should not to be blamed for it at all.