A global history of concentration camps, which shows that it is not only "mad dictators " who have set up camps, but instead all varieties of states, including liberal democracies, that have made use of them. Setting concentration camps against the longer history of incarceration, Stone explains how the ability of the modern state to control populations led to the creation of this extreme institution. Drawing on contemporary accounts of camps, as well as the philosophical literature surrounding them, Stone considers the story camps tell us about the nature of the modern world as well as about specific regimes