Pathfinder: Bestiary
Logan Bonner & Jason Bulmahn & Stephen Radney-Macfarland & Mark Seifter
Pathfinder Gamemastery Guide
Logan Bonner & Jason Bulmahn & Mark Seifter & Stephen Radney-Macfarland
Pathfinder Core Rulebook
Jason Bulmahn & Logan Bonner & Stephen Radney-Macfarland & Mark Seifter