Michael Barthorp was educated at Wellington College and was commissioned into the Rifle Brigade in 1946. Demobilized in 1948, he served as a Territorial with the Royal Hampshire Regiment before rejoining the Regular Army in the Northamptonshire Regiment to continue a family tradition, ending his career with the Royal Anglian Regiment in 1968. He has since published numerous books on the history and costume of the British Army, including nine titles for the Men-at-Arms series. He lived in the Channel Islands. Pierre Turner has illustrated various titles for Osprey including all four British Army on Campaign titles and Elite 24: The Old Contemptibles. Pierre lives and works in Devon.