The Cry of the Icemark is by Stuart Hill. The first book in The Icemark Chronicles series. Thirteen-year-old Princess Thirrin must grow up quickly. When her country is invaded by the Polypontian Empire and her father the king is killed, Thirrin must rally her country, find new allies, and defeat the invaders. A tall order for a teenage girl. A great series loaded with action and adventure.
Ratings: 7th grade - 9 out of 10.