This book will be another boost to this already hot series. It describes in detail the true expansiveness and utility of the site; Yahoo! is not only an extremely popular search engine, it is the most popular site on the Internet! It’s a complete portal to the World Wide Web. It is so complete in fact, that you don’t even need your own Internet account to get e-mail, you can create your own Web site, send and receive instant messages, and even sponsor your own chat group.