Return to Terra (Walk-In, #3)

Oliver Stone had four wives; Nora, Susan, Maya, and Sarah. They were from a similar planet like Earth called Terra. They were college professors and were here to melt the ice sheets and document the process and the results as well as the impact on the humans. They were an advance form of human and were more intelligent, stronger, and learned easily. Four wives were normal for their species since there were fewer boys born than girls.

Oliver thought back to his previous life and wondered how...