Official Errata & Free Extras Each system has an official support page with errata (must have) and free extras for the published books. Look up monsters by name, type, book, setting, or association in just a couple clicks. 40k RPG Master Bestiary My list of all 1400+ npcs, vehicles, and starshps from all the books with book name and page number.Masks NPCs are designed to be used on the fly, no prep required - but with enough depth to be used when planning adventures, as well.
