Throne of Glass

In a land without magic where the king rules with an iron hand an assassin is summoned to the castle. She comes not to kill the king but to win her freedom. If she defeats twenty-three killers thieves and warriors in a competition she is released from prison to serve as the kings champion. Her name is Celaena Sardothien. The Crown Prince will provoke her. The Captain of the Guard will protect her. But something evil dwells in the castle of glass--and its there to kill. When her competitors start dying one by one Celaenas fight for freedom becomes a fight for survival and a desperate quest to root out the evil before it destroys her world.