Collecting Wives - Charlie’s Circle Series, #6

This is novel 6 of the Charlie's Circle Series. Some men collect antique automobiles or motorcycles.  Since Charlie is incredibly wealthy, he collects beautiful intelligent women.  His hobby earns him money since the women he chooses to marry and join his family have unique skills that change the world and earn money for Global Regenerations, Inc. of which he is CEO. He looks young due to going through the regeneration process when he was in his 60s.  The process enhanced his sexual drive and ability to attract women.  He is an excellent judge of character so is able to wisely choose women.  His wives have to approve the new women before they can join Charlie's Circle and become involved with him.
Sometimes they choose women for him that they feel would fit into the family and be valuable to the corporation. His family live on a large ranch south of Tucson, Arizona in a Hacienda which is state of the art and holds many condos for his wives.  A large research facility is located on the ranch where they work and his wives hold key positions. He helps these women achieve great inventions and reach their goals.  He also helps them overcome sexual disappointments and develop meaningful sexual lives.  The women find friendships in the family and are happy since they do not have to worry about finances and have unlimited resources to follow their career dreams.
Plural marriage in this series of novels is not religious and is legal in Arizona during the period of this novel. This romance novel is intended for mature readers and has explicit sexual scenes so is intended for mature audiences.