The Diamond QueenBy: Andrew Marr Sunday Times Top 10 Bestseller, fully revised and updated with a new chapter. 'Absorbing . . . particularly acute on the political aspects of constitutional monarchy, but he also writes perceptively about individual members of the Royal Family.' Daily Telegraph With the flair for narrative and the meticulous research that readers have come to expect, in The Diamond Queen Andrew Marr turns his attention to the monarch, chronicling the