The Pathfinder Society in the game of Pathfinder is a group of adventurers looking to... well.. be adventurers, but with a structure and hierarchy built up around it. They're a well-known and respected group, and with the release of the Lost Omens: Pathfinder Society Guide, you can add them to your games. In this article, Paizo takes a look inside the book with some page previews and excerpts.
From the article:
Our release dates are accelerating in anticipation of the holidays! Just two weeks ago we posted about the New Releases Coming October 2020 and today they are here! Let’s take a look inside the first few pages of our biggest release, the Pathfinder Lost Omens: Pathfinder Society Guide.