More Billionaire Wives - Evolution of a Woman, #7

Charley was a full-time author so he had to skimp to get by and lived in a small apartment. Then he married Beth, one of his best fans, who turned out to be a billionaire.  His life changed immediately since his wife bought a large house and hired his former girlfriend Judy to do domestic chores such as shopping, cooking, cleaning, and other things. Due to health issues Beth couldn't always do her marital duties so she got Judy to do them for her.
Beth hired other women and bought more houses.  When plural marriage became legal, Charley married these women. Charley had a strong sex drive so he had no problem in taking care of the sexual needs of his wives.  He preferred intelligent, well-education, professional women.  Some of these women were wealthy and Beth became one of many of his rich wives. This novel covers how he got these wives and kept them.  One of his latest wives was an expert on robotics and wanted to create an android woman.  If she could do it she might become the richest of his billionaire wives. This is Novel 7 of the series Evolution of a Woman.  There are explicit love scenes.