Rappan Athuk: Expansions Volume 1 (2012)

Welcome to the ongoing adventures in Bill Webb's homebrew mega-dungeon, Rappan Athuk. This book is the first in a series of additional materials that will be added to what may be, or certainly will become, the world's largest mega-dungeon. Introduce your players to Castle Calaelen, Hell's Hamlet, The Face in the Forrest, the newly discovered level 6B, and the expansive Tunnels of Terror!