In gorgeous black & white!From the publisher:

Collecting Showcase #6, 7, 11, 12 and Challengers of the Unknown #1-18! Relive the classic Silver Age adventures of Jack Kirby's Challengers of the Unknown -- a team brought together by fate dedicated to a life of harrowing adventure in the name of good!

Written by Jack Kirby, Dave Wood, and Ed Herron.

Art by Jack Kirby, Jack Kirby and Wally Wood, Bob Brown.

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