This paper explores how Judaism is represented in non-Jewish writers of the nineteenth-century (outstandingly, Walter Scott and George Eliot) and in modernist long novels, such as those by Dorothy Richardson, Marcel Proust, James Joyce, Alfred Döblin, Robert Musil, and Thomas Mann, and, in the Latin American novel, Carlos Fuentes and Roberto Bolaño. It finds a relationship between the length of the ‘long’ novel, as a meaningful category in itself (not to be absorbed into other modernist narratives), and the interest that these novels have in Judaism, and in anti-semitism (e.g. in the Dreyfus affair) as something which cannot be easily assimilated into the narratives which the writers mentioned are interested in. The paper investigates the implications of this claim for reading these texts.