Born in 1950, Helmut Ortner has written over thirty books, mostly on social topics and on issues of justice. Helmut's previous works include The Lone Assassin, the remarkable true story of Georg Elser, a German worker who planned and carried out an elaborate, but unsuccessful, assassination attempt on Adolf Hitler and other high-ranking Nazi leaders at the Bürgerbräukeller in Munich on 8 November 1939. Helmut's books have been translated into many languages. He lives in Frankfurt am Main, Germany.