Young Again. Charlie’s Circle Series, #3

This is the third novel in Charlie's Circle series.  When the last novel ended, Charlie had just found out that he would pick up another wife.  The problem was that he was not a young man any more so didn't need or want another wife since he already had four wives; three of these wives were young women. However, his older rich wife Crystal found out about a new process to restore a person to a youthful age.  The medical process was expensive, but she was willing to pay for her and Charlie to take the treatment.
So Charlie and Crystal were able to leave behind the aches and pains of old age.  Finally Charlie was able to fully enjoy his life with his young wives. However, there might be side effects from this medical procedure. This romance novel is intended for mature readers and has explicit sexual subjects and scenes.