Carl Klingspor 
Charles XII — King of Sweden [EPUB ebook] 

Two centuries ago when the kingdoms of Northern Europe were struggling for supremacy on the Baltic and control of the narrow portal to the sea, there appeared a young prince, the marvel of his age, who made himself the arbiter of these kingdoms and of their rulers. The military successes of Charles the Twelfth of Sweden even forced obsequious consultation from the greater nations beyond the fields of his conquest.