Addison-Wesley (www.awprofessional.com) and Prentice Hall Professional (www.prenhallprofessional.com) are respected publishers of quality computer science and engineering books and software for technical professionals. Both imprints are units of Pearson Technology Group, the world's largest provider of consumer and professional computer, information technology, engineering and reference content. Pearson Technology Group is an operating unit of Pearson Education, the world's leading educational publisher. Pearson Education is part of Pearson plc (NYSE: PSO), the international media company.