 At 25 pages long, "Caliban" contained maps with room descriptions and trap matrices, four full dungeon/tower levels with maps and room descriptions (one level is an intricate cavern system), eight pocket sized magic artifact cards and eight illustrated monster cards with statistics.The package also contained a set of 16 unique creature and treasure cards, which could be detached and used in-game and 26 unique new traps in a matrix at the rear of the module.Cover art was contributed by Greg Espinoza.