I've just finished the book "Escape" by Carolyn Jessop, former Fundamentalist Church of Jesus Christ of Latter-Day Saints (FLDS) member, who escaped with her 8 children, after many years of terrifying life with a man, who was one of the leaders in the FLDS.
She grew up in a polygamous household, and had to marry 50 year old man, being only 18 years old herself and becoming the forth wife. She was abused sexually, physically and emotionally throughout the marriage, not only by her husband, but by her sister-wives also.
Carolyn is the first top on the left, here with her husband and sister wives
The whole system of FLDS keeps the women as a subject to the men-powered world, which existence is based on perversity and control. They are degrading women's lives, by diminishing them to working slaves, playing with their minds constantly to keep them vulnerable and subjected to the men's wishes. Brain washed by the group's leader's, constantly abused, kept without educational opportunities, mentally tricked and emotionally drained, sooner or later, they become mentally unstable, depressed and mostly give up.
Carolyn found her strength by caring for her children, and was granted a full custody of her children after her escape from the brutality of the system, which promised heaven, but delivered hell on earth.
Very disturbing recollections of a young woman's journey from a total believer in the cult's religious teachings, to the world of freedom and reason.