| Issue | #21 |
| Published | October 1974 |
| Cover Price | 0.75 USD |
| Pages | 68 |
| Editing | Al Hewetson |
| Notes | Cover states this is the 1974 Nightmare Summer-Special. Only the titlepage states that this is #21. All data by Richard Arndt used with his permission. |
| Genre | Horror |
| Pencils | Jose Mirelles (painting) |
| Inks | Jose Mirelles (painting) |
| Colors | Jose Mirelles (painting) |
| Genre | Horror |
| Script | Al Hewetson |
| Pencils | Jose Cardona |
| Inks | Jose Cardona |
| Script | Al Hewetson |
| Letters | typeset |
| Notes | Mentions never published Jesus Suso stories including "Screaming Bloody Murder", "Killer Fu Manchu" at 20 pages with Fu Manchu vs. Dracula as well as the news that Suso would be taking over the Darkos Manse serial. |
| Genre | Horror |
| Script | Charles McNaughton |
| Pencils | Jack Katz |
| Inks | Frank Giacoia |
| Reprinted | from Psycho (Skywald, 1971 series) #2 (March 1971) |
| Genre | Horror |
| Script | Michael Kaluta [as Steve Stern] |
| Pencils | Michael Kaluta |
| Inks | Michael Kaluta |
| Notes | Story credited to Steve Stern. The Steve Stern name is believed to be a house name. It appears nowhere else, nor for any other company and it was used at Skywald only twice, with artists closely related through their fanzine work—Michael Kaluta & Jeff Jones. |
| Reprinted | from Nightmare (Skywald, 1970 series) #6 |
| Genre | Horror |
| Script | Tom Sutton? [as Larry Todd] |
| Pencils | Tom Sutton [as David Cook] |
| Inks | Syd Shores [as David Cook] |
| Reprinted | from Psycho (Skywald, 1971 series) #4 (September 1971) |
| Genre | Horror |
| Script | Jeff Jones [as Steve Stern] |
| Pencils | Jeff Jones |
| Inks | Jeff Jones |
| Notes | Story credited to Steve Stern. The Steve Stern name is believed to be a house name. It appears nowhere else, nor for any other company and it was used at Skywald only twice, with artists closely related through their fanzine work—Michael Kaluta & Jeff Jones. |
| Reprinted | from Psycho (Skywald, 1971 series) #6 (May 1972) |
| Genre | Horror |
| Script | Robert Kanigher |
| Pencils | Doug Wildey |
| Inks | Doug Wildey |
| Reprinted | from Nightmare (Skywald, 1970 series) #6 (December 1971) |
| Genre | Horror |
| Script | Ed Fedory |
| Pencils | Pablo Marcos |
| Inks | Pablo Marcos |
| Reprinted | from Psycho (Skywald, 1971 series) #6 (May 1972) |