Teenagers Janie and Benjamin continue to explore the secrets of the Pharmacopoeia while Benjamin risks everything to find a way to connect with his father.

Meggy Swann, a girl who walks with the aid of two sticks, arrives in Elizabethan London, along with her goose Louise, to stay with her father who really does not want her, and while he pursues his dream of transforming base metal into gold, Meggy undergoes a transformation herself.

"A queer cast of characters-a half-fae teenager, a temperamental ex-Fury, a fae prince, and his brooding guardian-must track down a serial killer whose disturbing murders are threatening to expose the hidden faerie courts to the human world"-- For centuries, the Eight Courts of Folk have lived among us, concealed by magic and bound by law to do no harm to humans. This arrangement has long kept peace in the Courts-- until a series of gruesome and...