From publisher blurb: From the darkest of the hillside thickets to the strangest of the blasted heaths come the monsters! Enfraughten your Ironclaw game with peril! Book of Monsters adds: Dozens of new monsters, all rated and organized by name (alphabetical, of course) and tier (of deadliness) Environmental hazards, from the merely odd to the decidedly dangerous New equipment made out of monsters An introductory adventure