The Order of Masks (The Order of Masks Duology) by Alina Bellchambers

THE NEW, ADDICTIVE ROMANTIC FANTASY THAT HAS READERS IN A CHOKEHOLD A murder to avenge. A magical competition to die for. And an entire kingdom hoping she fails... Mira will do anything to kill the emperor, even compete for a place in one of his royal Orders. But she quickly finds herself caught between two royal heirs who want each other dead. Thrust into a glittering world of temptation and deadly consequences, Mira must choose between the man who holds her heart—or the prince who will destroy anyone in his way to take it. A forced marriage. A half-brother trying to kill her. And a rival she will form into the ultimate weapon… Read more