The exhibition showcases his own heavily annotated typescripts for broadcast, conceived after Churchill's careful word choices and revisions.

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The material includes a few unpublished typescripts, first editions and inscribed books from Jules Verne and Thornton Wilder.

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The collection of original typescripts was auctioned following the death of Blyton's eldest daughter, Gillian Baverstock, in 2007.

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Typescripts that used to be cut, pasted and blue-penciled are spotlessly digital now.

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Last year the centre set up an Enid Blyton archive after buying original typescripts of some of her best-known work including the Secret Seven series.

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"There are about 150 separate articles made up of pencil drafts, manuscripts, and typescripts, along with notebooks and photographs, almost a complete picture of his life and times and his work - so much material that I haven't yet read it all, " Mr Arter added.

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