Given the rapidly growing presence of girls online, serious academic inquiry into the relationship between girls and the Internet is imperative. Girl Wide Web is an innovative collection of cutting-edge research exploring a wide sweep of issues related to the ways adolescent girls interact with the Internet. Employing a range of methodologies and theoretical perspectives primarily within cultural studies, the authors examine a variety of topics – from instant messaging and web-diaries to online fan communities and Internet advertising that targets young girls. Taken together, these essays provide a rich portrait of the complex relationship among girls, the Internet, and the negotiation of identity.