Scott Kelby shows you how to develop your photos in Adobe Photoshop Lightroom 3, including setting white balance, seeing befores and afters, and applying changes made to one photo to other photos. Sample Chapter is provided courtesy of New Riders
Also see: Real World Digital Photography, 3rd Edition, by Katrin Eismann, Sean Duggan, and Tim Grey
Real World Adobe Photoshop CS5 for Photographers by Conrad Chavez
This free chapter is from Adobe Photoshop Lightroom 3 Book for Digital Photographers
http://www.graphic-design.com/photoshop/tutorial/lightroom-3-editing-essentials