Dungeon Master's Guide (384 pages) is an essential 5th Edition resource for Dungeon Masters of all experience levels, offering updated rules for world-building, running campaigns, and creating encounters. It features new "Bastion" rules for player-controlled strongholds, over 400 magic items, and 15 reusable maps. The guide also includes five short sample adventures, a lore glossary, and a campaign setting in Greyhawk. Expires 12/31/26