Elusive by Genevieve Cogman

Revolutionary France is full of blood and bite as vampires plot for power.

Eleanor, once a lowly English maid, is now a member of the League of the Scarlet Pimpernel, know for their daring deeds and recusing artistocrat vampires from the guillotine.

This time, Eleanor and the League are investigating the disappearance of Charles-Maurice de Talleyrand, the notorious French statesman and diplomat. But they soon uncover two vampire parties feuding for power and learn Talleyrand's disppearance is part of a bigger, more dangerous scheme that will throw France into bloody chaos.