Romania, Bulgaria, Hungary and Slovakia were all German allies in the Second World War, unlike the other countries of Europe which had either been forcibly occupied by the Nazis or remained neutral. SOE Missions mounted within their borders were thus doubly hazardous for they were conducted in enemy-populated territory, heavily policed by military forces and gendarmerie. Furthermore all these states had well developed and experienced security services, usually supplemented by Gestapo and Abwehr units. A further complication to the activities of SOE in these countries was that they had all been effectively conceded by Western Allies to Russia; not surprisingly therefore, operations in the Soviet sphere of influence were to prove diabolically difficult.This is a story about the courage of...