If you are working on campus or are otherwise unable to 'install' the textbook data, have no fear. It is actually not necessary at all to 'install' anything.

Navigate through the DVD's contents. In the GTKArcGIS directory are folders for each chapter. Simply copy these folders to the computer you are working on (such as the desktop) and you should be good. Worse case scenario, you may even need to set the properties of the folder to not be read only.