| Issue | #197 |
| Published | December 1971 |
| Frequency | monthly |
| Cover Price | 0.25 USD |
| Pages | 52 |
| Editing | Joe Orlando; Mark Hanerfeld (Assistant Editor) |
| Genre | horror |
| Pencils | Neal Adams |
| Inks | Neal Adams |
| Reprinted | in Showcase Presents: The House of Mystery (DC, 2006 series) #2 [black and white] |
| Characters | Cain (host) |
| Genre | horror |
| Script | Jack Oleck |
| Pencils | Jack Sparling |
| Inks | Jack Sparling |
| Reprinted | in Showcase Presents: The House of Mystery (DC, 2006 series) #2 [black and white] |
| Genre | occult |
| Pencils | Leonard Starr |
| Inks | Leonard Starr |
| Reprinted | from House of Mystery (DC, 1951 series) #20 (November 1953) |
| Letters | typeset |
| Notes | Letters submitted by Deno Jeffrey; Peter R. Thorpe; Garry Huddleston; Tim Lynch; Michael Flynn; Bill Culbertson; Lenny Price |
| Genre | horror |
| Script | Len Wein |
| Pencils | Dick Dillin |
| Inks | Frank Giacoia |
| Reprinted | in Showcase Presents: The House of Mystery (DC, 2006 series) #2 [black and white] |
| Synopsis | 3 gag cartoons |
| Genre | humor |
| Pencils | Lore Shoberg (signed) [as Lore] |
| Inks | Lore Shoberg |
| Reprinted | in Showcase Presents: The House of Mystery (DC, 2006 series) #2 [black and white] |
| Characters | Cain (host) |
| Genre | horror |
| Script | Jack Oleck |
| Pencils | Nestor Redondo |
| Inks | Nestor Redondo |
| Reprinted | in Showcase Presents: The House of Mystery (DC, 2006 series) #2 [black and white] |
| Genre | occult |
| Pencils | Nick Cardy |
| Inks | Nick Cardy |
| Reprinted | from House of Secrets (DC, 1956 series) #11 (July-August 1958) |