Sister Time - Ringo, John, and Cochrane, Julie

This highly anticipated sequel to the "New York Times" bestseller "Callys War" features the return of Cally ONeals sister Michelle, the first human Sohon mentat, in a novel about life, love, and covert operations amongst the universes ultimate dysfunctional family.

Sister Time 2008, Baen Books

ISBN-13: 9781416555902

Mass-market paperback

Sister Time 2007, Baen Books

ISBN-13: 9781416542322