The review presents the analysis of S. V. Kretinin’s monograph, which examines the problem of the German national minority in Poland in the interwar period (1918–1939). The importance of the research done by the historian, the features of the author’s approach are noted, the discussion issues are indicated. According to the reviewer, S. V. Kretinin’s monograph essentially opens up new prospects for studying the history of the Germans in Poland.