This book inaugurates a novel way of understanding the trajectories of health and disease in the context of poverty. Focusing on low-income neighborhoods in Delhi, it stitches together three different sets of issues. First, it examines the different trajectories of illness: What are the circumstances under which illness is absorbed within the normal and when does it exceed the normal. A second set of issues involves how different healers understand their own practices. The book asks: What is expert knowledge? What is it that the health practitioner knows and what does the patient know? How are these different forms of knowledge brought together in the clinical encounter, broadly defined? Finally, the book interrogates the models of disease prevalence and global programming that emphasize surveillance over care and deflect attention away from the specificities of local worlds. Yet the analysis offered retains an openness to different ways of conceptualizing “what is happening” and stimulates a conversation between different disciplinary orientations to health, disease, and poverty. Most studies of health and disease focus on the encounter between patient and practitioner within the space of the clinic. This book instead privileges the networks of relations, institutions, and knowledge over which the experience of illness is dispersed. It helps us see how illness is bound by the contexts in which it occurs, while also showing how illness transcends these contexts to say something about the nature of everyday life and the making of subjects.