Showcase Presents: Challengers of the Unknown Vol. 1 is a paperback collection part of DC Comics' Showcase Presents series. This volume reprints various DC Comics stories in black and white, originally published during the Golden, Silver and Bronze Age publishing eras.
Issues
- Challengers of the Unknown #1
- Challengers of the Unknown #2
- Challengers of the Unknown #3
- Challengers of the Unknown #4
- Challengers of the Unknown #5
- Challengers of the Unknown #6
- Challengers of the Unknown #7
- Challengers of the Unknown #8
- Challengers of the Unknown #9
- Challengers of the Unknown #10
- Challengers of the Unknown #11
- Challengers of the Unknown #12
- Challengers of the Unknown #13
- Challengers of the Unknown #14
- Challengers of the Unknown #15
- Challengers of the Unknown #16
- Challengers of the Unknown #17
- Showcase #6
- Showcase #7
- Showcase #11
- Showcase #12