sentences:  Despite the personal presence of King Frederick William III of Prussia and his wife Queen Louise, the Prussians are soundly defeated in the Battle of Jena-Auerstedt, and Temeraire is forced to ferry the royal family away.Thereafter the British crew find themselves at the fortress of Danzig, soon about to fall under siege.The turning-point of the siege is the arrival of Tharkay, now at the head of the flock of Turkish ferals.