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| Publisher |
DC |
| Series |
Challengers of the Unknown |
| Published | June 1958 |
| Artist |
Jack Kirby |
| Writer |
Jack Kirby |
| Cover Artist |
Jack Kirby |
| Inker |
Marvin Stein |
| Cover Artist |
Marvin Stein |
"The Monster Maker." Ace fights a criminal who uses a mind-over-matter machine. "The Traitorous Challenger." June Robbins sees a computer that predicts that the Challengers will die if they battle an atomic creature.