From publisher blurb: The Thing in the Valley - A terror has come to the valley community of Riversmeet. Farmers, herdsmen, and woodsmen have fallen victim to a mysterious and horrific creature. Amidst the terror, questions go unanswered— what is this terrible fiend, where did it come from, and what is its dark purpose? The call has gone out to summon a band of adventurers to put an end to The Thing in The Valley. The Thing in the Valley is designed for six, third to fourth level characters using the B/X game rules. This adventure will advance the characters to fourth level by the conclusion.