It seems like everyone in China has read—or seen the televised adaptation of—at least one martial arts novel. The undisputed king of the wuxia (武侠), sometimes translated as “heroic chivalry,” but it really just means kung fu literary genre is Jin Yong, aka Louis Cha, whose tales of noble heroes, beautiful heroines and not a little derring-do read like a modern Chinese take on the Arthurian legends. Only with more flying headbutts...