D&D Classics: Dungeoneer's Survival Guide (1E)

In the impenetrable darkness of the underearth, unimagined terrors and uncountable treasures await.

For beginners, advanced players, and DMs alike, this book opens up grand new vistas in the realms of the Underdark, that little-known region of dungeons and caverns far beneath the sunlit world of everyday existence. The worlds of subterranean adventure await!