Weave legendary stories in the world's greatest roleplaying game. All you need to run a Dungeons & Dragons game is your imagination, some dice, and this book. The Dungeon Master's Guide teaches you how to how to run D&D adventures for your players-- how to invent monsters for them to fight, mysteries for them to solve, and fantasy worlds for them to explore. " The Dungeon Master's Guide is] the one book to rule them...