Heart of Flames

Veronyka, Tristan, and Sev must stop the advancing empire from destroying the Phoenix Riders in this fiery sequel to Crown of Feathers, which #1 New York Times bestselling author Kendare Blake calls "absolutely unforgettable!"
You are a daughter of queens.
The world is balanced on the edge of a knife, and war is almost certain between the empire and the Phoenix Riders.
Like Nefyra before you, your life will be a trial by fire.
Veronyka finally got her wish to join the Riders, but while she's supposed to be in training, all she really wants to do is fly out to defend the villages of Pyra from the advancing empire. Tristan has been promoted to Master Rider, but he has very different ideas about the best way to protect their people than his father, the commander. Sev has been sent to spy on the empire, but maintaining his cover may force him to fight on the wrong side of the war. And Veronyka's sister, Val, is determined...