Dungeon Master's Kit
 The Dungeon Master's Kit contains rules concerning the arbitration and administration of the fourth edition of the Dungeons & Dragons fantasy role-playing game and is intended for use primarily or only by the game's Dungeon Master.It is intended as a companion book to Heroes Of The Fallen Lands which contains all of the basic rules of gameplay and the Monster Vault which is a reference book giving statistics and characteristics to various animals and monsters.It contains information on the Dungeons & Dragons world running the game building adventures and rewards. 