Bedeviled by evil fairies that only she can see, thirteen-year-old Tanya is sent to stay with her cold and distant grandmother at Elvesden Manor, where she and the caretaker's son solve a disturbing mystery that leads them to the discovery that Tanya's life is in danger.

Twelve-year-olds Tinn and Cole, raised as human twins in sleepy Endsborough, risk their lives in the Wild Wood, Oddmire Swamp, and the Deep Dark to learn which is a goblin changeling with an important mission.

When Wendy Everly was six years old her mother was convinced she was a monster and tried to kill her, and eleven years later Wendy learns that her mother was right and that she is actually a changeling troll, who, at the age of seventeen, must be returned to her rightful home.

If 14-year-old Cassandra Reed makes it through her first day at Miss Castwell's Institute for the Magical Instruction of Young Ladies without anyone discovering her secret, maybe, just maybe, she'll let herself believe that she really does belong at Miss Castwell's. Except Cassandra Reed's real name is Sarah Smith and up until now, she lived her whole life in the Warren, serving a magical family, the Winters, as all non-magical "Snipes" are bound...