He interviewed over 270 veterans of the Great War and has written 16 books on the subject including the autobiography of
Harry Patch, "The Last Fighting Tommy". He has also worked on more than a dozen television programmes on the First World War, including "Britain’s Last Tommies," "Britain’s Boy Soldiers," the award-winning "The Roses of No Man’s Land" and "War Horse: The Real Story." He lives in West London. ==Bibliography==