Adobe Photoshop CS4: Up to Speed - This book covers the latest features of CS4 in depth. Not only does it cover the subjects but it cuts through the preliminaries and gets right to the meat. You don't have to sit there from page one and wait until you get to page 50 for the information you need. Explore the feature you need in the depth you need. You'll be amazed at how much you thought you knew about CS4 but didn't.
About the Author: Ben Willmore is the author of Adobe Photoshop Studio Techniques, and a columnist for Photoshop User magazine. His hit seminar, Photoshop for Photographers, combined with his standing-room only sessions at PhotoshopWorld, and appearances at major publishing and photography conferences in the U.S. and abroad have established Ben as one of the world's most respected and sought after Photoshop instructors. His reputation as the expert's expert prompted Scott Kelby (President, National Association of Photoshop Professionals) to say, When we get stuck, we call Ben.