When Nazi Germany s Buchenwald concentration camp was liberated in 1945, its records revealed that two young Canadians, Ken Macalister and Frank Pickersgill, were among its countless victims. At 30 and 31 years of age, they had been agents of Britain s Special Operations Executive (SOE ), an undercover unit established by Winston Churchill that used sabotage and subversion to bring down the Nazi regime from within. Jonathan F. Vance brings us the...