Issue Details
| Issue |
#19
|
| Published |
April-May 1961 |
| Cover Price |
0.10 |
| Pages |
36 |
| Editing |
Jack Schiff |
Cover Details
| Genre |
adventure |
| Pencils |
Bob Brown |
| Inks |
Bob Brown |
13 page
Challengers of the Unknown
story
"The Alien Who Stole a Planet"
| Genre |
adventure |
| Script |
Arnold Drake? |
| Pencils |
Bob Brown |
| Inks |
Bob Brown |
| Notes |
writer id by Bob Hughes |
12 page
Challengers of the Unknown
story
"Beasts From the Fabulous Gem"
| Genre |
adventure |
| Script |
Arnold Drake? |
| Pencils |
Bob Brown |
| Inks |
Bob Brown |
| Notes |
writer id by Bob Hughes |