Hybrids — Angela Elwell Hunt

Why does the sight of two children chill Andi's bones? Once again, the team meets at Andi's grandparents' home for some much-needed rest and relaxation. But the professor seems preoccupied with more than the academic speech he has to deliver, and when some mysterious black-eyed children visit the woman next door, Andi and her friends are caught up in a situation unlike any they have experienced thus far.