Kothar and the Demon Queen - Gardner F. Fox

"In exchange for sharing the throne, Kothar the Magnificent Barbarian is challenged by the Demon Queen to return the mysterious god Xixthur--source of eternal youth--from the clutches of the thieving Tor Domnus in the city of Urga"

vol. 3 in the Kothar series. Sick Jeff Jones cover art. In great condition.