Mühlbach, Louise: Berlin and Sans-Souci. V1. 9 Feb 2010
 

"Luise Muhlbach was the pen name of Clara Mundt (1814-1873), a German writer best known for her works of historical fiction."

Excerpt
The garden was quiet and solitary, and the closed shutters of the castle proved that not only the king, but the entire household, from the dignified and important chamberlain to the frisky garden-boy, still slept. Suddenly the silence was broken by the sound of hasty steps.