Adventures Dark and Deep: Book of Lost Tables

The Book of Lost Tables is an expansion of the first edition of the world's most popular RPG. This collection of nearly 350 random tables allows you to generate wilderness, dungeon, and urban terrain and encounters, weather, non-player character parties, critical hits and fumbles, and much more. You can even use them to generate random dungeons for solo play!

Much of the material in this book was previously published as the Random Terrain and Encounter Generator. Changes between that book and this include:

No OGL
Hardcover
Completely re-edited
Monster names updated to 1E
New tables include critical hits, fumbles, more descriptions of NPCs, etc.