'Map of a Nation' tells the story of the creation of the Ordnance Survey map - the first complete, accurate, affordable map of the British Isles.

In the 1790s, Britain underwent what the politician Edmund Burke called 'the most important of all revolutions...a revolution in sentiments'. Inspired by the French Revolution, British radicals concocted new political worlds to enshrine healthier, more productive, human emotions and relationships. The Enlightenment's wildest hopes crested in the utopian projects of such optimists - including the young poet Samuel Taylor Coleridge, the philosophers William Godwin and Mary Wollstonecraft, the physician Thomas Beddoes and the first photographer Thomas Wedgwood - who sought to reform sex,...