9 books • 4 series
Book #1: A.D. (After Darwin)
Book #2: The Sleep Drinkers
Book #3: The Sealed Locket
Book #4: The Last Romance
Book #10: Future Past
Book #2: A.D. (After Darwin)
Book #13: The Hounds of Fate
Book #17: A.D. (After Darwin)
Book #18: The Last Romance
Book #21: The Sleep Drinkers
Book #23: Ghosts of the Future
Book #12: Future Past