Fledgling (Sorcery and Society Series #2)

Days away from completing her first year at Miss Castwell's Institute for the Magical Instruction of Young Ladies, Changeling-born Sarah Smith might just get away with posing as an upper-class Guardian girl named Cassandra Reed. But strange visions of a Lightbourne destroyed by Miss Morton's revenant army keep Sarah from enjoying her achievement. Plus, the Mother Book, Sarah's one secret advantage and the ultimate entrée in Guardian society, suddenly stops revealing itself to her...putting ...