A One-Round Living Greyhawk Sultanate of Zeif Adventure
From the introduction:
There's danger lurking in the Drawmidj! The cargo must get through! But is it worth the trouble? A client in the small town of Parshadon thinks so. Without those supplies, his expedition into the Vaar Hills will be over before it starts.
A one-round Sultanate adventure set in the Vaar Hills and the town of Parshadon for characters level 1 - 12.