The Player's Guide to Zeif

All the information on the Living Greyhawk region of Zeif you'll ever need.

From the introduction:

This guide is a massive collaboration of the various sources of canon that is available to the region of Zeif in the Living Greyhawk campaign from published sources over the years as well as projects designed and created by the Zeif Triad and their delegates. It is designed as both a means of information centralization as well as a guide and helpful tool for all players wanting to create more flavorful [player characters] for play in the Living Greyhawk Campaign region of Zeif.