Old Ways, New Hope (en Inglés) - Charles O Wing

This is the story of a freelance translator who is invited on an archaeological search because of a strange language. His travels take him around the world, and he becomes the leader in the search after the death of a close friend. He falls into the greatest discovery of mankind that leads him toward the origins of man and a great many inventions. How he deals with the discovery will lead him into outer space and the old ones. Then he has many choices with what to do to change the world.