"Death spoke Polish" is a comprehensive non-fiction book that addresses the Polish assaults and crimes against Germans between 1919 and 1949. It sheds light on the historical events in Poznań, West Prussia, and Upper Silesia, as well as the massacres of 1939. Additionally, it discusses the crimes of expulsion and the atrocities in Polish post-war concentration camps. The work provides a detailed analysis and documentation of these often-overlooked aspects of history and contributes to the understanding of the complex relationships between Poland and Germany during this period. It is aimed at readers interested in history and archaeology who wish to gain a deeper understanding of the historical contexts and the impact of these events on the affected populations.