| Issue | #34 |
| Published | April 1971 |
| Frequency | bi-monthly |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | ? |
| Notes | 10053-104 |
| Genre | Mystery |
| Pencils | ? (painted cover) |
| Inks | ? (painted cover) |
| Colors | ? (painted cover) |
| Reprinted | in Boris Karloff Tales of Mystery (Gold Key, 1963 series) #97 (February 1980) |
| Genre | Mystery |
| Pencils | Jose Delbo |
| Inks | Jose Delbo |
| Reprinted | in Boris Karloff Tales of Mystery (Gold Key, 1963 series) #97 (February 1980) |
| Genre | Mystery |
| Pencils | Joe Certa |
| Inks | Joe Certa |
| Letters | Typeset |
| Reprinted | in Boris Karloff Tales of Mystery (Gold Key, 1963 series) #97 (February 1980) |
| Genre | Mystery |
| Pencils | Jack Sparling |
| Inks | Jack Sparling |
| Reprinted | in Boris Karloff Tales of Mystery (Gold Key, 1963 series) #97 (February 1980); in Boris Karloffs midnattsrysare (Semic Press AB, 1972 series) #2/1972 |
| Script | Len Wein |
| Pencils | John Celardo |
| Inks | John Celardo |
| Letters | John Celardo |
| Notes | Script: Credit from interview with Len Wein (2002-12-06) via Rodrigo Baeza (Per Sandell ed.) |
| Reprinted | in Boris Karloff Tales of Mystery (Gold Key, 1963 series) #97 (February 1980) |