For Khadija the only escape from her arranged betrothal is the sky. When she spots a rogue hot air balloon fighting against its ropes she leaps at the chance for adventure. She soon finds an unlikely ally in a poor glassmaker's apprentice Jacob. But Jacob is a hari and Khadija a Ghadaean.The hari are oppressed and restless and the ruling Ghadaeans brutal in their repression. The Hareef use forbidden magic summoning jinn - wicked spirits made of fire - to enact their revenge forcing Jacob and Khadija to choose what kind of a world they want to save . . .
