Armed merchant ships : a background -- Rebuilding the German navy between the wars -- The Royal Navy between the wars -- War: September 1939 to November 1940 -- The battle between HMS Jervis Bay and the Admiral Scheer -- The continued voyage of the Admiral Scheer -- Gotterdammerung: twilight of the German surface raiders -- The reasons why -- Last things -- Appendix A: selected convoy code designations -- Appendix B: list of merchant ships in convoy HX-84 -- Appendix C: list of Jervis Bay crewmen lost in the battle -- Appendix D: list of Jervis Bay survivors.