During a modern age that saw the expansion of its democracy, the fading of its empire, and two world wars, Britain's hereditary aristocracy was pushed from the centre to the margins of the nation's affairs. Widely remarked on by commentators at the time, this radical redrawing of the social and political map provoked a newly intensified fascination with the aristocracy among modern writers. Undone by history, the British aristocracy and its Anglo-Irish...