Tryntje Helfferich 
Iron Princess [EPUB ebook] 
Amalia Elisabeth and the Thirty Years War

In the bloodiest conflict Europe had ever experienced, Amalia Elisabeth fought to save her tiny German state, her Calvinist church, and her children s inheritance. Tryntje Helfferich reveals how this embattled ruler used diplomacy to play the European powers against one another, while raising one of the continent s most effective fighting forces.