Queens and Pirates by Phil Foglio and Kaja Foglio

Girl Genius book 18

And the adventure continues! Being thrown out of Paris after all they did! A trip to England! A queen! Europans of piractical descent and pride in their ethnic heritage! Bears! Fish! Mad Scientists!  Cats! Murder, intrigue, and parties! Gil admitting that Tarvek will act in Agatha's best interest! And lots of airships and submarines!