Stronghold (#1)

"High Prince Rohan, Andry, Lord of the Sunrunners, and Andry's son Pol use all of their resources, including valiant warriors, magic, and celestial conjurations, to fight the new force which is threatening to invade their lands."@en
"A generation of peace is about to be shattered as a seemingly unstoppable invasion force lays siege to High Prince Rohan's realm."@en
"There is a devastating new challenge to the power of both the High Prince Rohan and Andry, Lord of the Sunrunners at Goddess Keep, as a mysterious and seemingly unstoppable invasion force swarms across their lands. For Andry it signals the start of a nightmare made real, the horrifying fulfillment of his long ago visions of his homeland in flames, and he will draw upon even the forbidden sorcerer's magic in an attempt to destroy this enemy which is bent on the extermination of all Sunrunners."