| Issue | #21 |
| Published | August 1970 |
| Cover Price | $0.15 |
| Pages | 36 |
| Editing | Sal Gentile |
| Genre | occult |
| Pencils | Pat Boyette (signed) |
| Inks | Pat Boyette (signed) |
| Letters | Pat Boyette |
| Characters | Dr. Graves (host) |
| Genre | occult |
| Pencils | Charles Nicholas |
| Inks | Vince Alascia |
| Characters | Dr. Graves (host) |
| Genre | occult |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Genre | occult |
| Letters | typeset |
| Characters | Dr. Graves (host) |
| Genre | occult |
| Pencils | Hector Castellon (signed) |
| Inks | Vince Alascia (signed) |
| Colors | ? [as Studio F] |
| Characters | Dr. Graves (host) |
| Genre | occult |
| Pencils | Pat Boyette |
| Inks | Pat Boyette |
| Letters | Pat Boyette |
| Characters | Dr. Graves |
| Pencils | Jim Aparo; ? |
| Inks | Jim Aparo; ? |
| Colors | ?; ? |
| Letters | typeset |
| Notes | Letters of comment from Wandering son, Jeremiah Catluvr and Sue, Ilona & Wormy. |