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Meet the Author: Philip Hensher

11 July 2014 Last updated at 10:17 BST

Author Philip Hensher speaks to the BBC's Nick Higham about his book The Emperor Waltz.

It is a novel which entwines three very different narrative strands. They involve Christians struggling on the outskirts of the Roman Empire in the 3rd Century, the German Bauhaus art-scene in the 1920s and the establishment of London's first gay bookshop in the 1970s.

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