Pathfinder Playtest Rulebook Deluxe Hardcover

Jason Bulmahn began his professional career as an architect in Milwaukee, but his calling as a game designer was too strong, and he soon found himself in Seattle, writing for Wizards of the Coast. He has served as associate editor for Dragon Magazine, is Director of Game Design for Paizo Inc., and is spearheads the design of the Pathfinder RPG system.

Logan Bonner is a writer known for his work on the popular role-playing game Pathfinder. His contributions have shaped many adventures within the fantasy genre, enjoyed by players worldwide.

Mark Seifter is a Pathfinder Society GM, former co-Venture Lieutenant of the Boston Pathfinder Society lodge, and published third-party designer for Rite Publishing. As a Paizo community member, Mark also authored several class guides. On June 16, 2014, Paizo Inc. announced that Mark had been hired to the Pathfinder Roleplaying Game design team.

Stephen Radney-MacFarland was a designer for Paizo Inc., working on the Pathfinder Roleplaying Game. Prior to working for Paizo, Stephen worked on Dungeons & Dragons at Wizards of the Coast, designing and running organized play programs for D&D during 3e and working as a developer on 4e. He has also been known to teach a college course on RPG design. He is currently a freelance game designer working on numerous projects, including the Delve RPG.