Angela Carter’s The Magic Toyshop (1967) may initially appear to condone or excuse the incestuous relationship between siblings, Margaret and Francie. When the outsider to the household, Melanie, discovers their relationship, the siblings’ brother, Finn responds, “You know our heart’s core now, the thing that makes us different from other people.” Ferdinand de Saussure suggested that meaning is derived from what it is not, from its difference to the lexis it is positioned amongst. Derrida’s theory of différance elaborates Saussure’s consideration of difference by extending the methodology to cover all linguistic and pre-linguistic modes of sense and understanding. In Derridean terms then, the “incest” Margaret and Francie experience is not ...