This is the first I've seen of any thing saying post more than links and figures. However, here you are:
First published in 1977, Tegel Manor is the oldest of “Haunted House” adventures in fantasy roleplaying, and probably the very first megadungeon ever published. The Manor is a sprawling...
The KS begins tomorrow, but view the invitation YouTube video in preparation.
Welcome to Tegel Manor Reborn.
https://www.youtube.com/watch?v=h2U3cSeOxaw&feature=youtu.be