The maritime ubarate of Cos and her allies are mounting an attack on Ar on two fronts-from the South with a major invasion force and in the North with an expeditionary force besieging Ar's Station, Ar's base of power in the vast arable basin of Gor's mightiest river, the Vosk. Dietrich of Tarnburg, a mercenary, has seized Torcodino, with its stores of military supplies, to temporarily halt the march of Cos on Ar in order to buy Ar time to organize for her defense. Cabot has delivered letters fro