The walled city of Weld is under attack from ferocious flying creatures that raid in the night, bringing death and destruction. The Warden calls for Volunteers to find and destroy the Enemy who is sending the invaders. Rye is too young to go, but his brothers are among the lost, and he must find them . . .This is the first in an exciting and magical new series by the award-winning author of the modern classic Deltora Quest.