Comer, Douglas, The Internet book : everything you need to know about computer networking and how the internet works / Douglas E. Comer. - Fourth edition. - xxvii, 380 pages : illustrations ; 24 cm Includes bibliographical references and index. ISBN: 9780132335539 (paperback) 0132335530 (paperback) Subjects--Topical Terms: Internet.Computer networks.World Wide Web. Dewey Class. No.: 004.678 / COR 2007