The Emperor of Mars / by Patrick Samphire / published by Christy Ottaviano Books / A sneek peak at the art for book 2 of Patrick Samphire's Secrets of the Dragon Tomb series, due out July 18th, 2017. If dragons on Mars, Regency period space travel or steam powered grouper ships are your thing, then this series is right up your alley. And if you haven't read book 1 of the series, Secrets of the Dragon Tomb, then there's no time like the present.