Quicksilver: Crossbreed, Book 11 - Dannika Dark

Keystone goes to battle with their most fearsome foe yet in this USA Today bestselling series by Dannika Dark . . . In the world of crime fighting, Raven has learned that formal affairs are a necessary evil. So when Keystone receives an invitation to a winter ball, she tries to make the best of it. The most powerful elites in Cognito are attending—a perfect opportunity to network and have a few drinks. But when a guest hijacks the party in a violent display of dark power, chaos ensues.