The Wolfblade Trilogy 03 - Warlord

Marla Wolfblade is reeling from the loss of her closest confidant, Elizaar the Fool, who taught her the Rules of Gaining and Wielding Power, and helped shape her into a force in Hythria. But Marla's plans for revenge are disrupted when she discovers she has a dangerous adversary....
On the border, Fardohnya has massed its troops for an invasion, and Marla's eldest son, Damin Wolfblade, heir to the throne of Hythria, finds his ability to fight back is thwarted by tradition, politics, and the foolishness of the High Prince...