Mars the Divine - Empire of Time
Holy Mother Mars' climate is failing. Can young monk Farr save the world by finding the long-lost oceans of Mars? Wild-eyed heretic Shan's murder sends Farr on a voyage of discovery in the Temporale and distant time with military priestesses Trinity and Singularity. Evading cruel dukes and brutal soldiers, they meet H.G. Wells in Victorian London, on a Time Train system built by long-ago aliens.