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 Dog puts herself forward for the most hazardous assignment of her career. In deep cover, she must penetrate the autonomous zone where the anomalies are most frequent, and determine whether the empire is really under attack, and if so by who or what. Yellow Dog's problems, however, are only just beginning.
