The Photoshop CS4 Companion for Photographers - Photoshop offers many things. This book walks you though the most important aspects of it you'll need and how to use them. Targeted to working in the field, this book is a "take-along" guide that shows you how to edit and file your images. In addition, it will help you establish a smooth workflow so that once your images are created, you'll be able to adjust, organize, file and rate them.