Countryfile: Summer Diaries - Agatha Christie's Devon

Taking in the Imperial Hotel in Torquay, Elbury Cove and the Dartmouth Steam Railway, Sue Perkins visits some of the famous settings for Agatha Christie's novels.

She also speaks to an expert, who reveals the inspiration behind the character of Hercule Poirot, and calls in on Greenway House, the author's last home, which has been restored by the National Trust.

Originally broadcast 21 August 2007.

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