The release of Star Wars in 1977 marked the start of what would become a colossal global franchise. Star Wars remains the second highest-grossing film in the United States, and George Lucas's six-part narrative has grown into something more: a culture that goes far beyond the films themselves, with tie-in toys, novels, comics, games and DVDs as well as an enthusiastic fan community which creates its own Star Wars fictions. Critical studies of Star...