What is Raymond Briggs working on now?
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World Book Day: An interview with Raymond Briggs

Raymond Briggs, creator of The Snowman and many other much-loved stories, was recently honoured with a lifetime achievement award by the Book Trust for his outstanding contribution to children's literature.

Now in his eighties, he is working on something altogether more dark.

For World Book Day, BBC Newsnight's culture correspondent Stephen Smith met Raymond Briggs at his cottage in Sussex.