Malcolm Clegg had a thirty year career as a Constable and Sergeant in the British Transport Police. The majority of his service was spent both in Uniformed and CID policing of the railways and docks at Newport, Cardiff and Swansea. He spent ten years in London, stationed at Paddington, Liverpool Street, Stratford and the London Underground Network. His final years were spent working as a Detective Sergeant in Swansea, investigating crimes in South and West Wales. After his retirement, he became an active member of the British Transport Police History Group (www.btphg.org.uk). He has carried out extensive research on behalf of the group and has written a number of articles. He has written four other books entitled; British Steam Locomotives before Preservation, The Last Days of British Steam, LMS and LNER Steam Locomotives, British Transport Police (A definitive history of the early years and subsequent development), each published by Pen & Sword.