Cyteen II
From back cover Warner paperback March 1989:

ARIANE EMORY IS ALIVE.
PERHAPS.
WHO IS ARIANE?

Little Ari Emory knows her life is Unusual.  She knows people around her Disappear, for no reason, and are never seen again.  She knows adults like Justin Warrick fear her.  She knows she is under constant surveillance and medical testing.  But she doesn't know why.

Ari doesn't know that she is the key to a multi-world, century-long power struggle.

Ari doesn't know that her home, Reseune, has been warped into a city-sized psychology lab.  A conspiracy forcing Ari to relive all the influences that formed a woman born 125 years before.  An experiment designed to shape and mold a little girl and make her grow to become a woman who died before Ari was born.

A woman who lived for tyranny and terror...
Ariane Emory (Fictitious character), Fiction, Cyteen (Imaginary place), Fiction, science fiction, general, Cyteen (imaginary place), fiction
C. J. Cherryh
Carolyn Janice Cherry (born September 1, 1942), better known by the pen name C. J. Cherryh, is an American writer of speculative fiction.