Daughter of smoke and bone trilogy

Errand requiring immediate attention. Come. The note was on vellum, pierced by the talons of the almost-crow that delivered it. Karou read the message. 'He never says please', she sighed, but she gathered up her things. When Brimstone called, she always came. In general, Karou has managed to keep her two lives in balance. On the one hand, she's a seventeen-year-old art student in Prague; on the other,...

"What power can bruise the sky? Two worlds are poised on the brink of a vicious war. By way of a staggering deception, Karou has taken control of the chimaera's rebellion and is intent on steering its course away from dead-end vengeance. The future rests on her. When the brutal angel emperor brings his army to the human world, Karou and Akiva are finally reunited -- not in love, but in tentative alliance against their common enemy. It is a twisted...