House of Mystery 1951 #229 - 7.0 - $50.00

On-sale date from Comic Reader #112.

• Nightmare Castle! - Background creature re-used from the cover of DC 100-Page Super Spectacular (DC, 1971 series) #4 (1971) as spotted by Frank Battaglia and submitted via the GCD error list. Color credit provided by Anthony Tollin.
• Sir Greeley's Revenge! - Pages 6 and 12 are 2/3-pages.
• - letters submitted by Lisa Anderson; John Elliot; Rena Allen; Donna Petras; Mike Chapman; P.A. Grant; George Williams
• Mystery Crossword - crossword puzzle
• Nightmare Castle - Inventory story originally intended for Secrets of Sinister House #6 (August-September 1972). Story in three chapters: Chapter 1: The Uninvited (6 pp.); Chapter 2: Eyes of Satan (8 pp.); Chapter 3: The Minister of Madness (22 pp.).
• Mask of the Red Fox - Pages 6 and 12 are 2/3-pages.
• Grave Results! - Barbados, West Indies.