Two essential and challenging Photoshop skills are Masking and Compositing. Fortunately for all of us out in Photoshop land, Katrin Eismann has written a masterful book on developing these skills, Photoshop Masking & Compositing.
You will learn about selection tools and techniques, how to use masks and layers, advanced selection techniques for difficult subjects like human hair, and how to do flawless composites.
If you don’t know what all of this means, you need this book. If you know what all of this means and have found these skills difficult to master, you need this book. If you’ve ever wanted to move a subject from one background and place it in another background, you need this book. If you are having a hard time changing one part of an image without affecting the rest of the image, you need this book. If you’ve taken two different exposures of the same swcene and are having a hard time blending the two together, yoou need this book.
Everything you need to know about Katrin Eismann is in Mastering Photoshop: Retouching, Part One.