In March 1996, a Nielsen survey found that 56 million people over the age of 16 in the U.S. and Canada have access to the Internet.  If the current rate of growth continues, by the year 2000, over 50% of the US population will have access to the Internet.  With as many as 50,000 new Web sites beginning each day, most Internet users would find the prospect of an Internet "yellow pages" both appealing and useful.  Now, from the definitive leader in Internet publishing, Michael Wolff, comes NetGuide.Looking for a spouse?  Try Marriage Brokers Online.  Eager for the latest on your favorite sport?  Try ESPNET SportsZone.  Want a good book?  Consult dozens of library catalogues or dip into The  Iliad, Great Expectations, Black Beauty, or other literature online.NetGuide is the first in Dell's new series of Internet guidebooks.  It is a comprehensive volume divided into helpful sections that provide simple, practical advice about everything readers need to know to surf the net: from choosing a modem to finding the right online service to locating the obscurest of sites.  NetGuide provides a fun and informative list of Web sites in the following subject areas:ò Entertainment (including movies, television, music)ò Sci-fiò Fun & Games (including comics, cartoons, video games)ò Home & Healthò The Digital Worldò Virtual Newsstand (including magazines, newspapers)ò Politics & Government (including internatio