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MEET THE GUESTS

British novelist AS Byatt transports us back to the eve of the First World War to discuss the lures, dangers and deceptions inherent in the world of children's writing, just one of the subjects covered in her multi-layered novel, The Children's Book.

Russian born conductor Semyon Bychkov believes there can be total harmony in music and explains why he thinks there are close parallels between the way musical notes are arranged in a score and performed by musicians, and the way human society works.

French political scientist Dominique Moisi explains, in his book Geopolitics of Emotion, why mapping the world's shifting moods could provide a useful tool for those who wish to increase levels of international understanding.