In 2008 Rammerstorfer released a new version of the German book, entitled "Ungebrochener Wille", which Engleitner and Rammerstorfer presented at the Frankfurt Book Fair during 2008, 2009 and 2011. In 2009 the new English book Unbroken Will: The Extraordinary Courage of an Ordinary Man-The Story of Nazi Concentration Camp Survivor Leopold Engleitner, born 1905 based on the latest German version was released at Harvard University. The Austrian president, Heinz Fischer, described in his foreword to the book that it is "a milestone in correspondence about the horror of Nazism." Brewster Chamberlin, director of archives at the US Holocaust Memorial Museum in Washington DC from 1986 to 1997, wrote a preface.
