| Issue | #13 |
| Published | July 1973 |
| Cover Price | 0.60 USD |
| Pages | 68 |
| Editing | Al Hewetson |
| Genre | horror |
| Pencils | Vincente Segrelles |
| Inks | Vincente Segrelles |
| Notes | The cover for this issue was intended to highlight the story "The 13 Dead Things" which didn’t actually appear until Psycho #15. |
| Genre | horror |
| Script | Al Hewetson |
| Pencils | Domingo Gomez |
| Inks | Domingo Gomez |
| Notes | Frontispiece |
| Genre | horror |
| Script | Al Hewetson |
| Pencils | Felipe Dela Rosa |
| Inks | Felipe Dela Rosa |
| Script | Al Hewetson; various |
| Pencils | Al Hewetson (photo) |
| Inks | Al Hewetson (photo) |
| Letters | Typeset |
| Notes | Profile and photo of comic book artist Maelo Cintron. |
| Genre | horror |
| Script | Augustine Funnell |
| Pencils | Pablo Marcos |
| Inks | Pablo Marcos |
| Genre | horror |
| Script | Al Hewetson |
| Pencils | photo |
| Letters | typeset |
| Genre | horror |
| Script | Doug Moench |
| Pencils | Fernando Rubio |
| Inks | Fernando Rubio |
| Characters | Heap |
| Synopsis | The Heap is taken in by his parents to live as normal a life as a horrific looking monster can. |
| Genre | horror |
| Script | Al Hewetson |
| Pencils | Villanova |
| Inks | Villanova |
| Notes | The Heap series ended, but was planned to be relaunched (to Al Hewetson's chagrin) due to reader demand. Skywald folded though, before this could happen. |
| Genre | horror |
| Script | Ed Fedory |
| Pencils | Ferran Sostres |
| Inks | Ferran Sostres |
| Genre | horror |
| Script | Terry Carr (author); Rich Buckler (adaptation); Chuck McNaughton (adaptation) |
| Pencils | Michael Kaluta |
| Inks | Michael Kaluta |
| Notes | Adaptation of the story "City of Yesterday" by Terry Carr. Originally intended for the aborted Science Fiction Odyssey #1. |
| Genre | horror |
| Script | Al Hewetson [as Jessica Vogel] |
| Pencils | Manuel |
| Inks | Manuel |
| Genre | horror |
| Script | Ed Fedory |
| Pencils | Pablo Marcos |
| Inks | Pablo Marcos |
| Synopsis | Brief retelling of the movie "The Mummy". |
| Genre | horror |
| Script | Al Hewetson (adaptation) |
| Pencils | Maelo Cintron |
| Inks | Maelo Cintron |
| Letters | typeset |