The first extended study of Bruno Latour’s legal theory, this book presents a critical reconstruction of the whole of Latour’s oeuvre to date, from Laboratory Life to An Inquiry into the Modes of Existence. Based on the powerful insights into normative effects that actor-network theory makes possible, the book advances a new theory of legal normativity and the force of law, rethinking Latour’s work on technology, the image, and referential scientific inscriptions, among others, and placing them within the ambit of legality. The book also captures and deepens the contrast between the modern legal institution and the value of law as a mode of existence, and provides a fulsome theoretical account of legal veridiction. Throughout, Latour’s thought is put into dialogue with important progenitors and adversaries as well as historical and contemporary strands of legal and political philosophy. But the thread of legality is not confined to Latour's reflections on the making of law; rather, it