The Six Direct... by Alastair Reynolds
What if Genghis Khan got his wish, and brought the entire planet under the control of the Mongols? Where would he have gone next? A thousand years after Khan's death, Yellow Dog is the codename of a female spy working for a vast Mongol-dominated galactic empire. When she learns of anomalous events happening on the edge of civilised space -- phantom ships appearing in the faster-than-light transit system which binds the empire together -- Yellow...











