Compiles more than three years of participatory research in Warcraft play and culture in the US and China. Nardi introduces us to the history, structure, and culture of Warcraft; argues for applying activity theory and theories of aesthetic experience to the study of gaming and play; and educates us on issues of gender, culture, and addiction as part of the play experience. In doing so she paints a compelling portrait of what drives gamers online in the US and China.