This October award-winning writer and former FT journalist Jimmy Burns' latest book 'A Faithful Spy', based on the private papers of former MI6 and MI5 officer, Walter Bell, is being published by Chiselbury.

Ahead of its release Elliot Hartley spoke to Jimmy about the book and some of the startling things that uncovered during his research.

The film was made by undertheledge

'A Faithful Spy' is available to buy from Chiselbury, Amazon and all good bookshops.