An intriguing fantasy in a fascinating world, with characters who catch you up.' -Robert Jordan, New York Times Bestselling author of The Wheel of Time® seriesNylan is an engineer and builder whose job it is to raise a great tower on the plateau known as the Roof of the World. Here, he and the exiled women warriors will live and survive to fulfill their destiny. Here a revolutionary new society will be born. if Nylan can get the tower built and defenses in place before the rulers of the lo