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.
Med Ship Man
And Shall Machines Surrender
Hired to Kill
Graceling
Blood Trillium
Human Error
The Lag (The Game Master: Book #1)
Lesson of the Fire