My SkillSource's amazing digital reference library, powered by Books 24x7, offers hundreds of electronic reference books, with all illustrations and graphics, both viewable and printable right at your computer.  Learners can add favorite books to their personal bookshelf, and chapters can be printed out for reading and reference as needed.  Books24x7 puts the power of the web's finest technical reference library at your fingertips. My SkillSource students have access, 24 hours a day, to complete electronic versions of top technical books from leading technology publishers including MIT Press, O'Reilly, Que, Sams, Sybex, Wiley, and more.