Witch World: Andre NortonBook I of Witch World. Simon Tregarth, a man on the run, escapes from our world into another, where magic still has power the Witch World. He finds new purpose in the service of Estcarp, whose witches use their ancient knowledge of magic to protect their home. But a new threat is rising: the mysterious Kolder, who possess powers and technology unlike anything known in the Witch World. It will take Simon and the forces of Estcarp all their might, their