Issue Details
| Issue |
#21
|
| Published |
September 1961 |
| Cover Price |
.10 |
| Pages |
36 |
| Editing |
Jack Schiff |
Cover Details
| Genre |
adventure |
| Pencils |
Bob Brown |
| Inks |
Bob Brown |
12 page
Challengers of the Unknown
story
"The Weird World That Didn't Exist"
| Genre |
adventure |
| Script |
Ed France Herron? |
| Pencils |
Bob Brown |
| Inks |
Bob Brown |
| Notes |
writer id by Bob Hughes |
13 page
Challengers of the Unknown
story
"The Challengers' Space-Pet Ally"
| Characters |
with Cosmo |
| Genre |
adventure |
| Script |
Dave Wood? |
| Pencils |
Bob Brown |
| Inks |
Bob Brown |
| Notes |
writer id by Bob Hughes |