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 city - but that won't 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 a young swallow named Ragtag.