Alien Prince's Bride

I'm determined to have a child, which means one week in one bed. With an alien. According to the Xilan-Earth agreement, I'll belong to Prince Vikar, a seven-foot-tall, scaly blue alien, for one week. In exchange for giving him whatever he needs, this cocky "prince" assures me I'll return to Earth with a child on the way. But when the space station's attacked and alien spiders try to steal me, Vikar and I must flee the station. Then he tells me that once we get away, he's not sending me back...