Pathfinder Roleplaying Game: Bestiary (Pocket Edition) - Jason Bulmahn - Bog

Features fire-breathing dragons and blood-drinking vampires, vile demons and shape changing werewolves, sadistic goblins and lumbering giants, and more. In this title, all the creatures are not enemies, for some can serve lucky heroes as allies or advisors, be they summoned angels or capricious nymphs.