Introduction
摘要
The scope, the approach adopted and the contents of the book are outlined within the general background of enemy forces reaching and crossing the Reich borders, a process ending in final Nazi defeat. The role of Allied bombing is not forgotten. The main original sources are described with an emphasis on the important role of the BBC Monitoring Reports. Important aspects and problems examined in the first book covering the years 1939–1944 are described, many of which carried on and intensified in this final year of Nazi power.