The sixth book of the Dray Prescot series. Would Dray Prescot be able to remain a prince of proud Vallia or become just another human victim of the hunters and manhounds of the mysterious Southern Continent? For that was the enigmatic fate that the Star Lords had suddenly confronted him with. They wanted someone freed from the terrified pack of human prey among whom Prescot found himself. But who it was and how it was to be done, they left to him to work out...

The eighth book of the Dray Prescot series. Dray Prescot, the Earthman who had been brought across interstellar space as the tool of the mysterious Star Lords, confronted his most baffling task while he was a hunted and harried wanderer of the continent of Havilfar. That task was to discover the means by which the aircraft of that continent's most advanced civilization operated. Prescot is no scientist, but fulfill his task he must or he would never return to the princess and homeland he had won. So, for Dray Prescot there was but one course—with a whole continent against him, with time itself conspiring to balk him, the secrets of an unknown science must be made his...