From publisher blurb: Nearly 200 new monsters for your old-school campaign! From the massive prehistoric ambelodon to the terrifying plague zombie, within these pages you'll find a bevy of new monsters to use in your campaign. There are angels, bladegrass, undead dragons, rakshasa nobles, and much more! Creatures found in dungeons, wilderness, the prehistoric past, the sea, and even alien planes of existance are within. Written for the First Edition of the world's most popular RPG, this book will also be useful to anyone running a game using old-school rules.