Drawing on unpublished letters and rare primary sources, King and Woolmans tell the true story behind the tragic romance and brutal assassination that sparked World War I In the summer of 1914, three great empires dominated Europe: Germany, Russia, and Austria-Hungary. Four years later all had vanished in the chaos of World War I. One event precipitated the conflict, and at its hear was a tragic love story. When Austrian heir Archduke Franz Ferdinand...