The World Turned Upside DownBy: Christopher Hill 'His finest work and one that was both symptom and engine of the concept of "history from below" Here Levellers, Diggers, Ranters, Muggletonians, the early Quakers and others taking advantage of the collapse of censorship to bid for new kinds of freedom were given centre stage' Times Higher Education In 'The World Turned Upside Down' Christopher Hill studies the beliefs of such radical groups as the Diggers, the Ranters, the