Susanna Clarke’s fantasy novel Jonathan Strange & Mr. Norrell depicts a feud between two magicians with opposing philosophies regarding the study and practice of magic in an alternate version of nineteenth-century England. Where Gilbert Norrell favours a ritualistic doctrine of textual analysis and logocentrism, Jonathan Strange takes a more experimental approach, adapting and extrapolating on old magical principles from both textual sources and oral folklore in order to suit new circumstances. Norrell’s highly structured process assumes a textual point of origin for every conceivable magical effect: every signifier has a single, clearly identifiable and unalterable signified, and thus reinterpretation is not possible. By contrast, Strange’...