[1] At 32 pages, The Howling Tower contains maps, descriptions, a short story, and overviews, with detailed room descriptions and trap matrices, two ground level dungeons and six tower levels with eight pocket sized magic artifact cards and eight illustrated monster cards with statistics.

2: The Howling Tower was written by David A. Hargrave, with illustrations by Erol Otus, and was published by Grimoire Games in 1979 as a 32-page book with two cardstock sheets.

[1] Shannon Appelcline commented that "Following the publication of Caliban, the rest of 1979 was a great year for Grimoire Games.

In 2002 reprints of The Howling Tower were made available from Emperor's Choice Games and Miniatures, but were discontinued in August 2006.

Since then, the company folded The Howling Tower and all other Arduin dungeon modules into a single publication called "Vaults of the Weaver".