Aliena is a nice person who turns out to be an alien in a human host. She just has things to learn about the human form and society. When her body starts immune-rejecting the alien brain, and the brain has to be replaced by another alien brain, maintaining the semblance of marriage and family becomes a challenge for both Aliena and the man who loves her.
Piers Anthony Dillingham Jacob (born 1934) is an English American author in the science fiction and fantasy genres, publishing under the name Piers Anthony. He is most famous for his long-running novel series set in the fictional realm of Xanth.
Many of his books have appeared on the New York Times Best Seller list. He has claimed that one of his greatest achievements has been to publish a book for every letter of the alphabet, from Anthonology to Zombie Lover.