"In a place known as the Ledge, a civilization is trapped by a vast chasm and sheer mountain face. Rations are small, living is tough and there is no way for anyone to escape without befalling a deathly drop. What's more, every season the people must present themselves as a human sacrifice to The Glacians -- mysterious winged creatures who reside beyond the Ledge. Dawsyn, ax wielder and only remaining member of her family, has so far avoided the...