In 1815 Paris, a medical student stumbles into a tumultuous world of philosopher-thieves obsessed with the new theory of evolution. As he is pulled into their plot to steal a precious jewel and falls in love with a beautiful criminal, he is introduced to radical scientific ideas that change his conception of the world. From the author of Ghostwalk. Audie Award finalist 2010. "Riveting on all fronts, from its suspenseful plot to its elegant presentation of evolutionary theory."—Booklist