When one of Babylon's fabled dragons licks Tiamat's hand, her luck begins to change. A humble perfume-maker's daughter from the outer city, she is chosen to play in the Twenty Squares championships in the blue and gold palace against the best teams in the country. But with a mad king on the throne and the Persian army at the gates, Tiamat's gift is in demand for much higher stakes. Her lucky hand holds the key to the magical gateways that...