West Warwick, RI: Necronomicon Press, 1988-1993. First / Third. Paperback. A fine set. Set of six. First three titles are third impressions. Contains The Vaults of Yoh-Vombus, The Dweller in the Gulf, Mother of Toads, The Monster of the Prophecy, Xeethra, and The Witchcraft of Ulua. Fine. Item #13326