"Protector of the Small #4
Keladry of Mindelan has finally achieved her life-long dream of being a knight. But it's not turning out as she imagined at all. With the land of Tortall at war with the Scanrans, she has been assigned to oversee a refugee camp. But Kel has had a vision in the Chamber-a vision of the man behind the horrific battle machines that her fellow knights and friends are now fighting without her. She is torn between a duty she has sworn and a quest that she feels could turn the tide of the war. . . .

"From the Hardcover edition.