Kaile lives in Zombay, an astonishing city where goblins walk the streets and witches work their charms and curses. Kaile wants to be a musician and is delighted when a goblin gives her a flute carved out of bone. But the flute’s single, mournful song has a dangerous consequence: it separates Kaile and her shadow. Anyone without a shadow is considered dead, and despite Kaile’s protests that she...