Rating: 
Summary: good book but anchored to the past
Review: This is a great book and would get 5 stars except for the fact that the author basically states, that he is only going to address working in the cmyk field because thats the way its traditionally been done. Get over it, move on, when dealing with digital tradition is dead-RGB is in wide use too. Still for overall theory and heavy duty learning this is still a great book.
Rating: 
Summary: Most productive Photoshop book
Review: This is the most productive book on Photoshop that I've ever bought -- and I've bought quite a few over the past five years. That means, I've learned more IMMEDIATELY USEFUL stuff from it than from any other book. I guess that depends on where you are in your Photoshop know-how. It's not for the beginner. But intermediate users are sure to learn a lot about image makeup and enhancement -- not only color -- from careful study. And although Margulis' irony is evidently not everyone's cup of tea, I find it entertaining to read.My main regret: the first half of the book is in terms of CMYK color adjustment, rather than RGB. Margulis' reason: you can translate his approach to RGB, but translation wouldn't work as well in the other direction. Fair enough, since he's writing to an audience of both desktop printer people like me and pros whose work goes to offset presses. Still, I wish it were all for my kind of audience rather than for both. Which kind of audience do you belong to?
Rating:
Summary: The title is Key.
Review: This Photoshop book is an excellent resource for tackling color issues that come up in the workplace every day. Although it would seem that it is partial to CMYK, if you read deeper, you will find that the techniques go far beyond one color space. If you are looking for an ABC 123 book for color in Photoshop, this book might too overwhelming. But as a seasoned color professional, I find myself referring to this book again and again. Reading this book has reminded me that 99% of my color problems can be solved by sticking to basic color theory practices while taking Dan's new Ideas and applying them Accordingly.
Rating:
Summary: A True Guide for the Pro
Review: Unlike most Photoshop "how to" books, this one wastes no pages defining the use of tools and features. It assumes the reader is a competent photographer who is comfortable using digital imaging editing programs, and begins with the author's philosophical groundwork for image enhancement techniques. The book utilizes "all 10 channels" in the RGB, CMYK and LAB models as appropriate for analyzing and correcting images. This is a book that repays repeated study. Outstanding.
Rating:
Summary: Indispensible learning tool!
Review: What I especially like about Dan Margulis's books is that he takes the time to explain WHY you are doing something, and how the various techniques actually work. It's one thing to go through a step-by-step tutorial, applying features one after another to achieve an effect, but not be able to reproduce it or apply it in another situation ... and many Photoshop books do a good job of doing that. But Dan's books really explain the why and how, so that you understand what is happening and are then able to apply it to a different situation later. This is not an easy cookbook formula book, but the information here is invaluable if you take the time to try to understand it. I have found many applications in my daily work for the theories and methods he describes, and I think I am coming away with a much better understanding of how Photoshop works.
Rating:
Summary: worth every penny and then some!
Review: With over thirty years experience as an advertising photographer and over eight years working in the "high end" digital imaging field, I found Dan's book to be an extremely valuable resource. This book walks you through the basics and then moves on to explain the specifics of rather complicated color corrections. There are other books on the market that may illustrate better ways to retouch or repair specific parts of images but this one is far and away the best compendium of knowledge when it comes to "How can I make this particular photo reproduce better".
Rating:
Summary: For Anyone Who Cares About Color
Review: With this latest edition of Professional Photoshop, Dan Margulis has finally become user-friendly. This book is for anyone, amateur or pro, who has already gained a basic fluency with the Photoshop interface, but wants to understand HOW to make decisions about color correcting. Many authors give us the step-by-step technique for a particular image problem. Margulis teaches us what questions to ask about any image we have in front of us before we start yanking on curves, or calling up Auto Color in desperation. He goes on to provide many alternative answers, teaching us why one method might work with one image, while another method might be better for a different situation. From plate blending, as old as channels, to rescuing images using false profiles, something quite new, anyone willing to take the time to read Margulis' book carefully will find their frustration level dropping as they go on to restore and enhance their photos with greater success than ever before. By adding the "why" to the "how-to," Margulis gives us the concepts that are the foundation for image editing.
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