Aristocrats and Artillery

Adventurer Dirk Dynamo is back in Paris, in pursuit of the final clue to the location of the lost Great Library. But Paris is a city at war, with Prussian troops closing in from the east and the King in Shadow preparing to rise up in revolt. As violence reaches the city streets, can Dirk retrieve the last tablet, or will the path to the Great Library fall into the hands of a criminal mastermind?