From publisher blurb:
FQ2- Poisoning of the Elba River is the second offering for the Filbar Quest Series. Your group of adventurers has come together from a successful adventure in the old ruins seeking more fame and glory. As they travel they come upon the small community of Kamortha. Recently a problem occurred when the Witch of Margrove Swamp cursed the community as she left. Now the people have developed some strange facial malady and they want a cure. Can your party of adventurers discover the secret of the plague and resolve it for the fine people of Kamortha?
This adventure setting was designed for 1st/2nd Edition AD&D for the Filbar Campaign for an initial party of adventurers and DM. This adventure is easily adaptable to most any game and system.