The Internet For Dummies (6th Edition) by John R. Levine,Margaret Levine Young,Carol Baroudi

Now updated to cover the latest browsers, including Internet Explorer 7 and the newest version of Firefox
Packed with new information on the latest Internet trends, including talking over the Internet using Skype, having fun on MySpace, building a simple Web page, sharing photos on Flickr, and posting and viewing videos on YouTube
Includes coverage of browsers, search engines, music and video sites, shopping, financial services, file downloads, e-mail, instant messaging, viruses, spam, and creating a personal Web site or blog