Redworld

World-saver, or world-breaker? The treaty that ended the civil war decreed that the men of science and the followers of the gods would split all of society between them. Yet Guild apprentice Pol was torn between the logic of science and the lure of faith, unaware that destiny had already chosen a very special role for him to play. For Pol was about to encounter a woman of unique power, the mistress of a mysterious, forbidden castle, who would lead him down the pathways of prophecy to a strange and frightening new world . . .

Charles L. Harness (1915-2005)
Charles Leonard Harness was an American science fiction writer born in Colorado City, Texas. He earned degrees in chemistry and law from George Washington University and worked as a patent attorney from 1947 to 1981. Harness' background as a lawyer influenced several of his works. His first story, "Time Trap" was published in 1948 and drew on many themes that would recur in later stories: art, time travel and a hero undergoing a quasi-transcendental experience. Harness' most famous single novel was his first, Flight into Yesterday, which was published first as a novella in the May 1949 issue of Startling Stories and was later republished as The Paradox Men in 1953. A great influence on many writers, Harness continued to publish until 2001 and was nominated for multiple Hugo and Nebula awards. In 2004 he was named Author Emeritus by the Science Fiction and Fantasy Writers of America. Harness died in 2005, aged 89.
For more information see www.sf-encyclopedia.com/entry/harness_charles_l