Warring birds battle over the city of Boston in an action-packed fantasy.In this engrossing story for older middle-graders, hundreds of birds of prey have been driven out of the Berkshires by encroaching human development. They head toward Boston, which is already occupied by the birds of the citybut that wont stop the raptors. Soon the Talon Empire and the Feathered Alliance are at war, and as the battle ensues, an unlikely hero emerges to defend his home: a young swallow named Ragtag.