Journey to Zelindar: The Personal Account of Sair Semasi by Diana Rivers 1987, 1992 edition, Paperback.
Sair grows up as the pampered daughter of an upper-cast family, but her life is forever changed by a brutal gang rape. Abandoned and left for dead, she makes her way to the ocean to kill herself. There she is rescued by the Hadra, wild riding-women who accept her into their culture. Journey to Zelindar is Sair's own tale of her adventures among the Hadra, who ride their horses by consent, speak mind-to-mind with eachother, and are all lovers of women.