He hunted the key to man's survival on a post-holocaust earth plunged into primitive savagery
HUMANITY WAS SHATTERED INTO THREE PARTS
The Flyers ruled the mountaintops high above the clouds, where the wings that grew from their human bodies enabled them to soar away from danger.
The Walkers were supreme upon the land, fighting incessant wars for territory and slaves, power and plunder.
The Swimmers built their geat cities below the surface of the sea, and there laid their plans for world conquest.
But a rebel Flyer named Jerenz had no home, no safety, as he desperately searched for the secret of the mysterious past that had divied up humanity, and for the legendary key that would bring mankind together again before the monstrous process of self-destruction was complete...
THE DEPTHS OF DANGER
Once Jerenz was the most promising of Flyer youths. He was slated to become a Falcon of the tribe, perhaps someday even the supreme Eagle—then came his fall from grace.
Now Jerenz was an outcast, driven from his mountaintop home, held captive in a hellish lowland dungeon, while the woman for whom he had broken the most sacred taboos lay under threat of a degradation worse than death.
But perilous as Jerenz's position was, his future loomed even darker. For his only avenue of escape and chance of salvation lay even further from the skies he loved...
...downward... ever downward... to the unkown depths of the sea... where the human-like beings who were masters there were preparing their chilling welcome and terrifying test...