The book will be available at http://www.amazon.com/ as well as http://www.smashwords.com/, and eventually it should be compatible with all kinds of electronic book reading devices. At smashwords, you'll be able to read it right off the screen or download it as a printable pdf. Or so I'm told by the e-authorities from the land on book.
So you should be able to download a copy for a buck forty-nine or so. . . graduation angst at bargain-basement pricing!