A One-Round Living Greyhawk Yeomanry Regional Adventure
From the introduction:
A rediscovered tome hints at the final resting place of the infamous Archlich Asberdies, tyrant of the Yeoman people. Now that journal has been stolen out of the grasp of the Council of High Magic. You have been summoned in utmost secrecy to the University of Loftwick.
A Yeomanry regional adventure for [character levels] 6 - 12.