DNA.

Seven billion people without the correct gene will die a slow and painful death! Geneticist Zane Simon, owner of the Discover New Ancestors Company, finds viable DNA in the tooth from a woman buried twenty-five thousand years ago. She has a unique genetic tag, and he makes a startling discovery when he compares it to the samples sent in for analysis. When a prophecy found in an ancient cave drawing comes true, only those persons with specific genes will survive. What genetic criteria are needed? Find out by grabbing your copy now! Alien technology,Alien artifacts,Alien contact,Asteroid impact,First contact,Human extinction,Mind control,sci-fi Time travel,genetics,Telepathy,human aliens,Science Fiction Mystery