Red Sonja - She-Devil With a Sword Vol. 9 War Season (TPB) (2011)

Collects issues #51 through #55 of the Red Sonja ongoing series!
Red Sonja is sent on a last-ditch, desperate mission across the border into Shem. Her mission is more than it seems, as Sonja leads her mercenary allies into a quest for a deadly secret hidden within the walls of the city-state, Persemhia. But others seek this mysterious prize as well, as the armies of Koth and Argos mass to crush Red Sonja's ragtag band. It will take more than skill with a blade for any to survive this deadly season of war...