Pioneering medical sociologist Ren e C. Fox spent nearly twenty years conducting extensive ethnographic research within M decins Sans Fronti res/Doctors Without Borders (MSF), a private international medical humanitarian organization that was created in 1971 and awarded the Nobel Prize for Peace in 1999. Drawing on unprecedented access to MSF staff meetings, doctors, and field workers, Fox weaves a rich tapestry of the MSF experience with emerging and reemerging infectious diseases. Including vivid photographs of MSF operations, Doctors Without Borders explores the organization's founding principles, distinctive culture, and inner struggles to realize more fully its "without borders" transnational vision.