A Two-Round Continuous Living Greyhawk Sheldomar Valley Meta-Regional Adventure
From the introduction:
Mysterious things happened in Hochoch during the Brenin's last absence. Perhaps dark things will stir now that the Court of the Grand Duchy is quiet once more.
A Living Greyhawk Sheldomar Valley Metaregional adventure for investigative PCs for [character levels] 8 - 16.
This module is noted as "Version 1.0 - Premiere Version"