Showcase Presents: Challengers of the Unknown Vol. 02 SC

Thrill to more than 500 pages of comic action collected from CHALLENGERS OF THE UNKNOWN #18-37 (1961-1964)! Along the way, the intrepid foursome faces dangers of every imaginable sort, including cosmic-powered alien beasts, doomed worlds, futuristic knights and much more.

Image: Showcase Presents: Challengers of the Unknown Vol. 02 SC  - DC Comics

Showcase Presents: Challengers of the Unknown Vol. 02 SC