Earlier editions of this book featured a Color Management chapter. Since nothing much has really changed in the way Photoshop handles the color management I have now removed this chapter from the print book. If you are at all unclear about color management and how to configure the Color Settings, I highly recommend you read this PDF.
The Photoshop user interface
The Photoshop settings allow you to customize the Photoshop program appearance. This PDF explains the options available and why it may be best to switch from the default "dark UI" setting.