By the Sword features Kerowyn, the grand-daughter of the Sorceress Kethry from The Oathbound, Oathbreakers, and Oathblood.Granddaughter of the sorceress Kethry, daughter of a noble house, Kerowyn had been forced to run the family keep since her mother’s untimely death. Yet now at last her brother was preparing to wed, and when his bride became the lady of…