A One-Round Living Greyhawk Tusmit Regional Adventure
From the introduction:
Yasin bin-Khadij waz-Vilayad is asking one more time for heroes to step forward. One last effort to save a man thought lost to time, one last chance for redemption from beyond the grave...
This one-round Regional adventure set in Tusmit...is for [character levels] 6 thru 12.