World's Largest Dungeon (Dungeon & Dragons d20 3.5 Fantasy Roleplaying)

The dungeon adventure has been a staple of gaming since its earliest days. Now, AEG brings you the ultimate incarnation of this adventure classic: the World's Largest Dungeon! This colossal epic will take characters from neophyte dungeon crawling all the way to epic levels.
Miles of passageways -- filling a map the size of your living room -- hold enough danger and excitement for years of adventuring. Every monster in the monster manual is included within its confines, all gathered into logical ecologies and never before seen diabolical hierarchies and encounters.
If your group is serious enough to fight its way to the top, the World's Largest Dungeon is a challenge you can't pass up!