High in the Snowflake Mountains sits the Edificant Library, a place of scholarly study for priests, bards, and others. Now from the hidden vaults beneath the library a devastating curse is unleashed, and a young cleric must battle the terrifying creatures set loose by a malevolent, consuming essence. Best-selling fantasy R.A. Salvatore begins the saga of Cadderly, the scholar-priest, and his loyal companions, as they battle an age-old evil.