So I read a book a while back, and now I'm trying to remember the name but can't, hoping someone will know it.....This is what I remember»»>
A scientist and a soldier live on a different planet ruled by women and are sent back to earth in the 1980s/1990s to college by the scientist mother, who is the leader of their world to stop a major world changing event. The scientist and soldier are ex-girlfriends, and the villain in the book is the soldiers brother. When they return to their world and time, a friend that they made snuck back with them»»» that's all