Francisco Del Puerto had dreams of gold and adventure when he joined an expedition to explore the far-off Americas. But, after a fateful encounter on the shores of the Rio De La Plata he's been left stranded and at the mercy of the Bird Men - a race of intelligent birds inhabiting a South America very different from the one history knew. Taken as a slave by the enigmatic Lord Ereter, can Francisco learn to live and survive among them in this strange new world? Adventure and Survival in a South America that never was