Two species of Human. Only one can survive. The choice is hers. In the stunning finale to HUMAN, modern-day archaeologist Ivy Carter begins a perilous journey across prehistoric Indonesia, at a time when volcanic eruptions, mass extinction and a genocidal war are tearing it apart. When Ivy Carter is stolen through time and trapped fifty thousand years in the past, she is tasked with the greatest challenge of her life; to prevent the extinction of a primitive human species against overwhelming odds. Determined to save them and desperate to find a way back home, Ivy leaves a trail of archaeological clues for physicist Dr. Orrin James, as the modern world around him spirals into destruction. But Ivy's troubles are only just beginning. Someone else has fallen through time behind her, and is determined to see her fail. Now, she must fight not only for the survival of those she loves, but also, for her own life. In a thrilling adventure that flips between modern world catastrophe and prehistoric survival, Ivy Carter holds the fate of humankind in her hands.