A Barthes Reader gives one the image of Barthes as one of the great public teachers of our time, someone who thought out, argued for, and made available several steps in a penetrating reflection on language sign systems, texts- and what they have to tell us about the concept of being human. Susan Sontag’s prefatory essay is one of her finest acts of criticism, informed by intellectual sympathy and a sure sense of the contours of the mind she is describing.