Monster Codex
"With Pathfinder RPG Monster Codex, fleshed-out hordes are at your fingertips! This volume presents a trove of entries for 20 classic monster races, giving you new ways to use your favorite monsters in a variety of enounters and challenge levels. Pathfinder RPG Monster Codex is an indispensable companion to the Pathfinder RPG Core Rulebook and Pathfinder RPG Bestiary."--Back cover.