The first adventure for The Dales of The Great Wyrm Lake setting
From the introduction:
This Setting Supplement, which includes an entry level adventure, The Cavern of Calamity, introduces the Gamemaster and Players to a world of sword and sorcery fantasy.
This setting can be used in a number of different ways that may fit your gaming style. It can be used as a starting point for adventures in your own home setting, as a reference for expanding this setting for your own uses, or simply as background information when playing The Cavern of Calamity adventure or any future The Dales of The Great Wyrm Lake adventures.