Giants are a ubiquitous feature of medieval romance. As remnants of a British prehistory prior to the civilization established, according to the Historium regum Britannie, by Brutus and his Trojan followers, giants are permanently at odds with the chivalric culture of the romance world. Whether they are portrayed as brute savages or as tyrannical pagan lords, giants serve as a limit against which the chivalric hero can measure himself. In...