Written by Arnold Drake. Penciled and inked by Bob Brown.

From the publisher:

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.

Condition & Attributes

Creators

Publishing Information

Physical Description