From the publisher's website:
The Pathfinder Society sends you into the undead-ruled nation of Geb for an undercover mission, not disguised as undead, but temporarily transformed into a shambling, zombie version of yourself. Can you survive the ordeal to return to the land of the living, or will your final grave be among Geb’s bones?
A Pathfinder Society Scenario designed for 5th to 9th level characters (Tiers: 5-6 and 8-9).
This scenario is designed for play in Pathfinder Society Organized Play, but can easily be adapted for use with any world. This scenario is compliant with the Open Game License (OGL) and is suitable for use with the Pathfinder Roleplaying Game.