A One-Round Living Greyhawk Sheldomar Valley Meta-Regional Adventure
From the introduction:
An easy job, they said. Take some short jaunts through the Sheldomar Valley and pick up some rare arcane and historical tomes and documents. What could be easier?
A Sheldomar Valley meta-regional adventure for [character levels] 6 - 14, and Stanza One in the Idyll of Tysiln.