Alien Invasion, 1954

Highly Advanced Aliens invade Earth and Earthlings have no defense. Somehow Debbie Sue and her one year old nephew survive the invasion. Later, forced to forage for food, she is captured by an alien, Akarak of the Vinshal. Akarak wants to help humans. He also says sex will keep him healthy.
Debbie Sue wonders if that is a line.

Warning: This sci-fi romance novella contains sexy times with an alien, a non-human alien hero, small dogs, children, and a heroine who wears skirts, bakes bread and mimeographs.