A One-Round Living Greyhawk Furyondy Regional Adventure
From the introduction:
It all starts when a bad thunderstorm traps you and your companions in a nearby inn out in the middle of nowhere. After you leave the Inn, you find out that more things are happening locally than was originally thought. Now, can you find out the cause of the problems here in this pleasant little countryside, or will you also disappear?
An adventure designed for characters level 1-13