The Clockwork Dynasty

Follow a race of human-like machines that have been hiding among us for untold centuries.
Present day: When a young anthropologist specializing in ancient technology uncovers a terrible secret concealed in the workings of a three-hundred-year-old mechanical doll, she is thrown into a hidden world that lurks just under the surface of our own. With her career and her life at stake, June Stefanov will ally with a remarkable traveler who exposes her to a reality she never imagined, as they embark on an around-the-world adventure and discover breathtaking secrets of the past...
Russia, 1725: In the depths of the Kremlin, the tsar's loyal mechanician brings to life two astonishingly humanlike mechanical beings. Peter and Elena are a brother and sister fallen out of time, possessed with uncanny power, and destined to serve great empires. Struggling to blend into pre-Victorian society, they are pulled into a legendary war that has raged for centuries.
The Clockwork Dynasty interweaves past and present, exploring a race of beings designed to live by ironclad principles, yet constantly searching for meaning. As June plunges deeper into their world, her choices will ultimately determine their survival or extermination.