|Release date||June 6, 2008|
|Website||product page at archive.wizards.com|
The Dungeon Master's Guide is a 4th edition Dungeons & Dragons core rulebook published in June 2008. Along with the Player's Handbook and Monster Manual, it was one of the initial three rulebooks published for 4th edition. It was republished in October 2008 as a deluxe edition reflecting early errata and updates.