Cally O'Neal is officially dead. In her over forty years of being an
active secret agent she hasn't used her real name, much less spoken to
her sister. So when Michelle interrupts an important mission, by
seemingly appearing out of thin air, it's an unexpected reunion.
This highly anticipated sequel to the New York Times best seller
Cally's War features the return of Michelle O'Neal, the first human
Sohon mentat. Sister Time is about life, love and covert operations
amongst the universe's ultimate dysfunctional family.