The book "Between Iron Bars: Two Years of German Occupation in Belgium" by Emil Kammer tells about the events in Belgium during the Second World War. The author personally experienced two years under the rule of the Nazis in the country, which allows him to describe in detail the brutality of the occupation, the fear and despair of the inhabitants. Kammerts writes about life under the German gendarmes, about efforts to preserve the dignity and heroism of the local population. This book is an important testimony about the tragic events of that time, which should never be forgotten.