Jacek E. Wilczur - twice wounded in battles against the Nazis, twice awarded the Cross "For Courage". Published in Poland and abroad 26 books about the Second World War, the Nazi genocide and about 2000 articles, of which 600 are devoted to the extermination of the Polish and Jewish peoples, the fate of prisoners and prisoners of war in German camps. Authorized translation from Polish by Vladimir Vorontsov and Peter Ivanov, edited by Modest Kolerova. The publisher thanks Irina Kotlobulatova and Alexander Khokhulin for valuable advice on the events and toponymy of Lvov, and Inna Shitova for her assistance in preparing the text of the Russian edition of the book.