A One-Round Living Greyhawk Velverdyva Trade Route Meta-Regional Adventure
From the introduction:
Two years ago, the Dread Pirate Sepp Daminov was lost in the Whirlpool of Madness. Now, his captain is looking for him. Markessa the Red has come to Dyvers.
A meta-regional adventure set in the Free Lands of Dyvers and a stage of The Gnarley Threat, for character levels 4 to 16.