Belgians Under the German Eagle is a book written by Jean Massart that tells the story of Belgian life during the German occupation of World War I. The author describes in detail the relationship between the Belgians and the Germans, shows how ordinary people felt the military actions and the restrictions imposed on them by the occupation. The book is an important document of the time, which helps to better understand historical events and their impact on people's everyday lives. "Belgians under the German eagle" impresses with its historical authenticity and depth of disclosure of civil status during the war.