| Issue | #20 |
| Published | June 1970 |
| Cover Price | 0.15 USD |
| Editing | ? |
| Notes | 10208-006, 15 cents, bi-monthly publishing frequency stated. |
| Pencils | ? (painted) |
| Inks | ? (painted) |
| Colors | ? (painted) |
| Notes | 10208-006, 15 cents, bi-monthly publishing frequency stated. |
| Pencils | John Celardo |
| Inks | John Celardo |
| Letters | John Celardo |
| Reprinted | in Mystery Comics Digest (Gold Key, 1972 series) #22 (March 1975) |
| Pencils | Joe Certa |
| Inks | Joe Certa |
| Pencils | Luis Dominguez |
| Inks | Luis Dominguez |
| Letters | Ben Oda |
| Reprinted | in Mystery Comics Digest (Gold Key, 1972 series) #25 (September 1975) |
| Pencils | Mike Roy |
| Inks | Jack Abel |
| Letters | D'Agostino |
| Reprinted | in Mystery Comics Digest (Gold Key, 1972 series) #16 (March 1974) |
| Pencils | Jose Delbo |
| Inks | Jose Delbo |
| Letters | D'Agostino |
| Reprinted | in Mystery Comics Digest (Gold Key, 1972 series) #22 (March 1975) |