When a twelve-year-old evil genius tries to restore his family fortune by capturing a fairy and demanding a ransom in gold, the fairies fight back with magic, technology, and a particularly nasty troll.

Eight years have passed since the Battle of the Serpent. In the icy north, Lady Nore of the Court of Teeth has reclaimed the Ice Needle Cathedral. She has produced a monster of stick and snow who will do her bidding-- and exact her revenge. Suren, child queen of the Court of Teeth, fled to the human world and lives in the woods. When she is chased through the streets by the hag Bogdana, Suren is saved by Prince Oak, the heir to Elfhame-- and the boy...