Continuing the Castle Zagyg product line, this boxed set contains five dungeon modules with soft color covers and black-and-white interiors as well as a black-and-white map and handout book and three poster maps (one color, two black-and-white).
Book 1: The Mouths of Madness - details the caves around the base of the "moat" around the castle.
Book 2: Ruins of the Castle Precincts - details the walls and surface buildings over the dungeon.
Book 3: East Wall Towers - details the two towers that flank the castle.
Book 4: Castle Fortress - details the fortress level itself.
Book 5: Store Rooms - details the first dungeon level of the Castle, with new monsters, magic and NPCs.