<P>Mark J.P. Wolf¿s study of imaginary worlds theorizes world-building within and across media, including literature, comics, film, radio, television, board games, video games, the Internet, and more. <I>Building Imaginary Worlds </I>departs from prior approaches to imaginary worlds that focused mainly on narrative, medium, or genre, and instead considers imaginary worlds as dynamic entities in and of themselves. Wolf argues that imaginary worlds¿which are often transnarrative, transmedial, and transauthorial in nature¿are compelling objects of inquiry for Media Studies. Chapters touch on:</P><UL><UL><P><LI>a theoretical analysis of how world-building extends beyond storytelling, the engagement of the audience, and the way worlds are conceptualized and experienced </LI><P></P><P><LI>a history of imaginary worlds that follows their development over three millennia from the fictional islands of Homer¿s <I>Odyssey</I> to the present </LI><P></P><P><LI>internarrative theory examining how n