The product is called ' Dungeon Master Kit - Number One'. The term module wasn't in use yet.
This intro is fabulous. If you can read that and not be ready for a kickass adventure, then you're in the wrong hobby, bub.Part of the leve 1 adventure key. I am totally swiping the Madman and his horde of cats and putting them in another dungeon. Coming soon to Jeff's Gameblog: my 3.5 stats for a Housecat Swarm.
The map itself may be crude but the marginal decoration is absolutely charming.