| Issue | #11 |
| Published | August 1967 |
| Frequency | Bi-monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | ? |
| Genre | science fiction |
| Pencils | Mo Gollub (painted) |
| Inks | Mo Gollub (painted) |
| Colors | Mo Gollub (painted) |
| Letters | typeset |
| Reprinted | in Avontuur Classics (Classics/Williams, 1961 series) #1883 [cover] |
| Genre | science fiction |
| Pencils | Jack Sparling |
| Inks | Jack Sparling |
| Notes | Inside front cover. |
| Genre | science fiction |
| Script | Otto Binder |
| Pencils | Jack Sparling |
| Inks | Jack Sparling |
| Notes | Part 1. |
| Genre | fact |
| Pencils | ? (illustration) |
| Inks | ? (illustration) |
| Letters | typeset |
| Genre | science fiction |
| Script | Otto Binder |
| Pencils | Jack Sparling |
| Inks | Jack Sparling |
| Genre | science fiction |
| Script | Otto Binder |
| Pencils | Jack Sparling |
| Inks | Jack Sparling |
| Notes | Part 2. |