Intended for Dungeon Masters of all experience levels, this essential resource provides incredibly useful tools and advice for running your D&D game Includes real-world examples of common pitfalls for Dungeon Masters, along with suggestions for how to handle them 15 new, ready-to-use, reusable maps for homebrew adventures; ncludes a double-sided poster map depicting Eastern Oerik from the Greyhawk setting and the city of Greyhawk Presents Greyhawk as a customizable, ready-to-use campaign setting for Dungeon Masters; set your adventures within Greyhawk or use it as a foundation for worlds you create More than 300 new and improved treasures and magical items, including 18 brand new magical items Contains rules for bastions, strongholds built and controlled by players. With crafting, base-building, and resource gathering, bastions are a fun between-session option for players Easily find information on key D&D characters and locations with the Lore Glossary and multiple handouts and resources for keeping track of campaigns, Manufacturer: Wizards of the Coast