How Networks Work by Frank J.Derfler Jr. and Les Freed (1993, Softcover) An introduction to the basic structure and operation of computer networks explains and illustrates the underlying technology of networks and discusses e-mail, the Internet, security, and more., How Networks Work is a stunning book, illustrated in full color, that takes readers through the inner-workings of network systems with simple explanations that avoid networking jargon. Book is in excellent condition, no missing or torn pages. Several pages in the beginning have very small dogears on bottom right. (see scans) 10% discount plus combined shipping for 2 or more book or magazine puchases. Please wait for adjusted invoice before paying. please email any questions Sign up for my newsletter for discounts! View more great items