The Pathfinder Roleplaying Game: Bestiary & Core Rulebook is a comprehensive book published by Paizo in 2012. Written by Jason Bulmahn, this 320-page paperback features illustrations and provides a detailed look at the world of fantasy roleplaying. With a focus on the Pathfinder setting, this book is essential for fans of the game seeking to delve deeper into the lore and mechanics of the game. Perfect for both new players and experienced rolemasters, this book offers a wealth of information and inspiration for creating immersive fantasy worlds and engaging storytelling experiences.