From the back of the book: A Den of Villany Uncover a world of adventure and claim your fortune in Pathfinder Online: Thornkeep! This detailed sourcebook contains everything a GM needs to run adventures in and around the dastardly town of Thornkeep, as well as several deadly dungeon levels and a sneak peek at the upcoming massively multiplayer online game Pathfinder Online. Inside this book, you’ll find: - A history and gazetteer of Thornkeep, a criminal paradise built over ancient Azlanti ruins and rife with danger both natural and out of this world. - Fully realized dungeon levels crafted by some of the industry’s greatest authors, including Richard Baker, Jason Bulmahn, Ed Greenwood, James Jacobs, and Erik Mona. - A behind-the-scenes look at Goblinworks, Inc. and its work on Pathfinder Online, the upcoming MMORPG based on the award-winning Pathfinder Roleplaying Game. - Never-before-seen concept art and illustrations for Pathfinder Online’s technology demo. Thornkeep is intended for use with the Pathfinder Roleplaying Game and the Pathfinder campaign setting, but can be used in any fantasy game setting.