Anunnaki Trilogy: the greatest story never told, book 1, gods gold and genes

Long, long ago they came to Earth to mine gold to save their ailing planet. They came with advanced technology at a time when the locals were just getting to grips with making fire.They created our ancestors, a slave race of hybrid human beings to do their bidding. They left a legacy of superstition, greed and fear. This is their and our story, the greatest story never told.