The Darksword Trilogy

Margaret Weis and Tracy Hickman Joram and his wife, Gwendolyn, return from beyond the Border to reclaim their rightful place in Merilon. Rejoined by Saryon, Mosiah and Simkin, Joram must confront the evil sorcerer, Menju, and his army of Technologists in a final apocalyptic battle to fulfill the ancient prophecy of the Darksword--to either save the world.