Bourne, Stephen. The Motherland Calls: Britain’s Black Servicemen & Women 1939–45. Stroud, Gloucestershire: The History Press, 2012. It’s difficult to find accessible studies on this subject, but Bourne’s book contains interesting personal accounts as well as a good list of films and television documentaries about black servicemen in Britain (see pages 134–135).
Chappell, Connery. Island of Barbed Wire: The Remarkable Story of World War Two Internment on the Isle of Man. London: Robert Hale, 1984. This book gives a good overview of the British internment of aliens during the war.
Nesbit, Roy Conyers and Georges van Acker. The Flight of Rudolf Hess: Myths and Reality. Stroud, Gloucestershire: Sutton Publishing Ltd, 1999. Hess was an enigmatic character who tried, and failed, to change the course of the war in an attempt to personally broker a peace between Britain and Germany.
Panton, Alastair and Victoria Panton Bacon. Six Weeks of Blenheim Summer: One Pilot’s Extraordinary Account of the Battle of France. London: Penguin Books, 2018 (2014). This autobiographical account of flying Bristol Blenheims in wartime is fabulously readable and very moving.