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Mantel: 'Please be patient' for next Cromwell novel

25 October 2013 Last updated at 23:23 BST

The double-Booker Prize winning author Hilary Mantel has told fans to 'be patient' as there may be a gap of several years until her next novel.

The third book in her Thomas Cromwell series is eagerly awaited by fans across the world, but she says it may possibly take decades to write.

Will Gompertz reports.