'Deserves to be read by everyone interested in the future of the United Kingdom' Andrew Marr, The Sunday Times There can be no relationship in Europe's history more creative, significant, vexed and uneasy than that between Scotland and England. From the Middle Ages onwards the island of Britain has been shaped by the unique dynamic between Edinburgh and London, exchanging inhabitants, monarchs, money and ideas, sometimes in a spirit of friendship and at others in a spirit of murderous dislike