The book in popular science form tells about the Estonian, Latvian, Lithuanian, Belarusian and Ukrainian voluntary forces that took part in the Second World War as part of the armed forces of Nazi Germany. The publication stands out for its historical authenticity, objectivity in its approach to the events described, the novelty and completeness of the archival documents and printed materials used, and contains many unique photographs and color illustrations. The book is addressed to a wide range of readers interested in military history.