The Victorian Detective (Shire Library)
Alan Moss served thirty years in the Metropolitan Police, retiring as Chief Superintendent.  He is the author, with Keith Skinner, of 'The Scotland Yard Files' (National Archives, 2006).  Keith Skinner is an historical researcher who has co-authored several successful books, including The Jack the Ripper A-Z, The Official Encyclopedia of Scotland Yard and Jack the Ripper: Letters from Hell. He is an advisor and historical consultant to the Crime Museum in New Scotland Yard.