Christopher Clark's Kaiser Wilhelm II: A Life in Power is a short, fascinating and accessible biography of one of the 20th century's most important figures. King of Prussia, German Emperor, war leader and defeated exile, Kaiser Wilhelm II was one of the most important - and most controversial - figures in the history of twentieth-century Europe. But how much power did he really have? Christopher Clark, winner of the Wolfson prize for his history of Prussia, Iron Kingdom, follows...