When twins Afya and Aftab, along with their adopted brother Khaled, leave the shelter of a hidden valley, they are astonished by the bustle and noise of the outside world. But beneath this chaos is an order more threatening than bedlam. An army of shadows gathers, looking to break free from the navel of the world, where they have been subdued for hundreds of years. The Keepers of Truth are scattered; the once-powerful Empire is fragmented, its twelve territories now controlled by seven warlords, one of whom has taken control of the region once protected by the Keepers. Surrounded by bright,...